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Posted: 12/20/2010 8:59:25 AM EDT
[Last Edit: RTUtah]
Originally Posted By PSYWAR1-0:

The Recce platform was something that sprung up within the NSW and 5th SFG communities that first became the Special Purpose Receiver built by Crane, which was supposed to be installed on any M4 lower. After a time when the perfect storm of the users wanting a match-grade trigger and the bolt-bounce issue was identified, the Special Purpose Receiver morphed into a complete rifle that was type-classified as the Mk12.

Mk12: A BRIEF HISTORY (as authored by "LGT" & "FL")

Mk12 Special Purpose Rifle (SPR)

Scoped versions of the M16 rifle existed as far back as the 1960s. Like nearly all historic military rifles, the M16 went through decades of efforts to improve its accuracy, both in the military and civilian marksmanship communities.

The need for the SPR dates back to the late 1980s and early 1990s when the 7.62mm M21 sniper rifle, a semi-automatic weapon of Vietnam vintage, was replaced by the M24 sniper rifle, a bolt action weapon. The M24 was originally specified to be a .300 Winchester Magnum, but the Army decided to field it in 7.62 NATO for a variety of economic reasons. This left the M24 in the unenviable position of being the worst of both worlds in the eyes of snipers at the time, since it lost the fast-shooing, semiautomatic capability of the M21, but did not gain the range advantage of the .300WM. This compromise left a vacant requirement for a fast-shooting semi-automatic sniper rifle. This need was most apparent in the US Army Special Forces (SF) community, since the other commands within the Special Operations Forces structure filled that need with Knights Armament Corporation's SR-25 sniper rifle.

Army SF, being prohibited by its leadership from procuring the SR-25, sought the next best alternative, namely a Special Purpose Receiver (SPR) kit to convert the Army SF M4 carbines into highly accurate rifles. In late 1998, at the request of SFC Steve Holland of 5th Special Forces Group, and the approval of the SOPMOD joint IPT, the Special Operations Peculiar Modifications (SOPMOD) Program Manager, Troy Smith, authorized the purchase of 5 sets of commercial items as an SPR experiment.

The original requirement was for USASOC, mainly the SF Groups, as WARCOM had the MK11, 7.62mm system. Once the SPR requirement was developed and demonstrated through experimentation, most of the other commands in USSOCOM added themselves to the Basis of Issue Plan (BOIP). The USSOCOM requirement for the SPR, with improved ammunition, was approved in July 1999, as part of the SOPMOD Kit, Operational Requirements Document, Version 5 (ORD 5).

Further initial development included several variants of the SPR and new ammunition that were compatible with the M4 carbine's lower receiver. It was found that standard issue M855 5.56mm ammunition was not consistent enough to meet the requirement. In 2000, based on an upgrade requirement to provide a match-grade trigger to the design, Mr. Paul Miller, the SPR project manager, discovered an opportunity to pick through over 15,000 M16A1s that had been sent to Crane for destruction. Realizing that these M16A1 rifles, some of which were virtually new, could be used as "free lumber" to build full SPR weapons, Paul selected several thousand rifles to be set aside for the new SPR project. The SPR underwent a minor but significant name change, with the R having originally stood for "Receiver" now standing for "Rifle"

The new weapon system was worthless without a matching round of ammunition to obtain the performance required. The PEO-SP USSOCOM authorized the new round that became Mk262 as part of the Mk12 system in August 2000. Paul Miller and his SPR team refined the 77-grain prototype ammunition and built approximately 124 SPR Rifles in the summer of 2001. These were finished just in time to ship out to Army SF in late October 2001, to be used in the first invasion of Afghanistan. The SPR rifles were extremely well-received, and the SOF combat units ordered hundreds more.

In May 2002, USSOCOM removed the Mk12 and other complete weapons projects from the SOPMOD Program and placed them under the newly-formed USSOCOM Weapons Program. The fielded weapons included two versions (Mk12 Special Purpose Rifle Mod0 and Mod1). Fielding has since been structured for Mk12 Mod1 Special Purpose Rifle only. This rifle is used by Joint USSOCOM Commands and the USMC in combination with M262 (AA53, 77 grain) ammunition. Formal fielding of the full-rate production version of the Mk12 rifle and ammunition occurred in May 2003 and was completed in FY '04.

In 2012, as the decade of war on terrorism was winding down and the SCAR weapon system began replacing the requirement for the Mk12, USSOCOM and Naval Special Warfare divested themselves of the Mk12 weapons system, and the Mk12 is now being looked at to fill a Designated Marksman Role within Brown Water Navy commands.
View Quote
* * * * * * * * * *

The following parts lists and substitution parts was compiled by lancecriminal86 over the course of a LOT of research. Read up and pay attention!

Below are the 100% .mil-spec parts lists to build a true SPR or Mk12 clone. Some of these parts are no longer manufactured and will require much effort and money to locate through forums and online brokers. Keep in mind the rifles were built off donor M16A1s, hence the prevalent A1 parts in the lower receivers and the BCGs. They were also first configured using parts available from 1998-2004, and most are inferior in some ways to newer designs. If this bothers you too much, STOP NOW.

The rifles were issued as a kit in a Pelican 1700 case with cutouts. The kits included the rifle with suppressor, optic, bipod, an Eagle TAS-1 UMSS sling (unobtanium and also absolute crap), with a Dewey 1-piece cleaning rod plus Otis cleaning kit, and a cutout for magazines. An operator's manual was also included, however these have not been officially released for public consumption. However, the manuals are out there, and some companies building Mk12 uppers include one. Whether these are official .mil operator's manuals or specially made is currently unclear as the manual itself still contains language that it is not for distribution.

- Alternate .mil-spec parts due to NFA, NLA parts, or changes in name/markings for current production in [brackets]

- Extra notes about parts or availability are in (parenthesis)

LOWER
Lower receivers were standard across the SPR/Mk12 variants and the only variations would be between grips, stocks, and buffers. Most were marked either Colt or GM Hydramatic. All other parts were the same in regards to the lower parts. One caveat is the trigger, as the program originally selected the Knight's Armament 2-stage Full Auto Match trigger. Later on, some issues regarding negligent discharges occurred, and Geissele SSF triggers ultimately found their way into the Mk12 family. Whether 100% of all Mk12s eventually received the Geissele trigger isn't clear, so either is acceptable.
  • Lower: M16A1 pattern [Nodak Spud NDSA1 or 80% re-profiled/finished/engraved]
  • Trigger: Knight's 2-Stage Full Auto Match Trigger or Geissele SSF [KAC semi-auto Match or Geissele SSA/SSA-E]
  • Grip: A1, A2, ERGO Original
  • Stock: Originally issued with A1 stocks, both solid D and trapdoor E types; as A1 stocks dwindled, A2 were used; ModH rifles rebuilt with Ace SOCOM stocks
  • Small parts: Standard M16A1 parts

UPPER
The upper receivers, which ultimately differentiate the four variants of the Mk12, have the most variation between each other.


Early SPR/Mod0
  • Upper: Colt, Diemaco, or Armalite marked, flat top, M4 feed-ramps
  • Barrel: Douglas 416r SS, 18" SPR contour, 1/7 twist, flats milled for PRi FSB (Compass Lake, Centurion Arms, High Caliber Sales, and PRi can all supply barrels that meet the appropriate spec minus FSB flats)
  • BCG: Colt M-16
  • Handguard: Precision Reflex Gen I carbon fiber free-float Handguard, rifle length (identified by button-head screws and one vent hole near barrel nut on lower half; no heat shields)
  • A.R.M.S. #38 SPR MOD Sleeve (either the PEQ version or with uneven spacing on the front  but not the full 1913 railed version)
  • FSB: PRi early folding front sight base and gas manifold, set-screw, with elevation wheel
  • Charging handle: PRi Gas Buster M-84 with military latch
  • Muzzle device: OPS Inc 12th Model brake/collar, and 12th Model suppressor [Allen Engineering AEM5 and brake/collar]
  • Rear iron sight: A.R.M.S. #40
  • Scope rings: A.R.M.S. #22 Medium rings, #22 Tactical Ring Cap and #22 Tactical Ring Rail (rings should not include "lever-stop" hump as produced later by A.R.M.S.)
  • Optic: Leupold Vari-X III 3.5-10x40mm LR, M3 turrets, illuminated Mil-Dot reticle (use .308 turret) [Leupold LR/T 3.5-10x40 LR, M3 turrets, Illuminated Mil-Dot reticle]
  • Bipod: Versa-Pod with A.R.M.S. #42, or a Harris with A.R.M.S. #32 (Versa-Pod far inferior to Harris)
Late Mod0
  • Upper: Colt or Diemaco marked, flat top, M4 feed-ramps
  • Barrel: Douglas 416r SS, 18" SPR contour, 1/7 twist, flats milled for PRi FSB (Compass Lake, Centurion Arms, High Caliber Sales, and PRi can all supply barrels that meet the appropriate spec minus FSB flats)
  • BCG: Colt M-16.
  • Handguard: Precision Reflex Gen III carbon fiber free-float handguard, rifle length
  • A.R.M.S. #38 SPR-PEQ-2-3 Sleeve
  • FSB: PRi folding FSB, set-screw, .750 (original production had PRi's full address engraved on sight tower; those engraved with "PRi USA" are later manufacture)
  • Charging handle: PRi Gas Buster M-84 with military latch
  • Muzzle device: OPS Inc. 12th Model brake/collar, and 12th Model suppressor [Allen Engineering AEM5 and brake/collar]
  • Rear iron sight: A.R.M.S. #40
  • Scope Rings: A.R.M.S. #22 Medium rings (rings should not include "lever-stop" hump as produced later by A.R.M.S.)
  • Optic: Leupold 3-9x36mm TS-30, Mk4 MR/T 2.5-8x36mm TS-30A2, M2 turrets with Mk262 BDC, illuminated TMR reticle
  • Bipod: Harris with either A.R.M.S. #32 or KAC RAS bipod adapter
SPR/A, SPR/B, Mod1
  • Upper: Colt or Diemaco marked, flat top, M4 feed-ramps
  • Barrel: Douglas 416r SS, 18" SPR contour, 1/7 twist, flats milled for PRi FSB (Compass Lake, Centurion Arms, High Caliber Sales, and PRi can all supply barrels that meet the appropriate spec minus FSB flats)
  • BCG: Colt M-16
  • Handguard: Knight's Armament M4 Match FF RAS, rifle length (now called the SR15/16 Match FF RAS)
  • Gas block: NSWC Crane pattern (Badger Ordnance parkerized/NSN version is correct, has open front of gas tube hole)
  • Charging handle: PRi Gas Buster M-84 with military latch
  • Muzzle device: OPS Inc. 12th Model brake/collar, and 12th Model suppressor [Allen Engineering AEM5 and brake/collar]
  • Scope rings: A.R.M.S. #22 High rings (A.R.M.S. rings should not include "lever-stop" hump as produced later by A.R.M.S.)
  • Optic: Leupold Mk4 MR/T 2.5-8x36mm TS-30A2, M2 turrets with Mk262 BDC, illuminated TMR reticle or NightForce 2.5-10x24 (optionally with NightForce rings)
  • Bipod: Harris with KAC RAS bipod adapter (BRM-S, A.R.M.S. #32 could still optionally be used)

ModH, Mod "Holland"

  • Upper: Colt or Diemaco marked, flat top, M4 feed-ramps
  • Barrel: Noveske 16" Recon, mid-length gas system, profiled for OPS Inc. 12th Model brake/collar (will require aftermarket contouring of most barrels)
  • BCG: Colt M-16
  • Handguard: Precision Reflex Gen III carbon fiber free-float handguard, FDE, rifle length
  • Charging handle: PRi Gas Buster M-84 with military latch
  • Muzzle Device: OPS. Inc. 12th Model brake/collar, and 12th Model suppressor [Allen Engineering AEM5 and brake/collar]
  • Scope Rings: A.R.M.S. #22 Medium rings on PRi recce rail (rings should not include "lever-stop" hump as produced later by A.R.M.S.) or LaRue LT-104 SPR mount
  • Optic: Leupold 3-9x36mm TS-30, Mk4 MR/T 2.5-8x36mm TS-30A2, M2 turrets with Mk262 BDC, illuminated TMR reticle, Leupold Vari-X III 3.5-10x40mm LR, M3 turrets, illuminated Mil-Dot reticle (use .308 turret) [Leupold LR/T 3.5-10x40mm LR, M3 turrets, illuminated Mil-Dot reticle]; S&B Short-Dot
  • Bipod: Harris with either A.R.M.S. #32 or KAC RAS bipod adapter
  • Iron sights: (apparently PRI were supplied but never used)

In the Wild
Naturally, once these rifles were issued to units, operators and even Marines used various non-issued parts. Here is a short summary of what has been seen:

Early SPR/Mod0:
Both Leupold 3.5-10x40mm and 3-9x36mm scopes have been used. Many have had carbine stocks like the old CAR-style, enhanced M4, SOPMOD Gen I, or even the Tactical DuoStock swapped on.

Mod1:
One 3rd SFG-issued rifle pictured with SSgt Robert J. Miller (MoH recipient) used an A.R.M.S #36 S-EX 5.56mm rail, and a Leupold M3X 10x fixed-power scope, possibly pulled from an M-24 or SR-25 rifle. Another has been seen with a Magpul PRS, LaRue mount, and a Premier Reticles 3-15x used by an AMU shooter, and a similar rifle was pictured on a FOB in a very posed-looking photo. Further, a USMC-issued Mod1 was seen using #22 Medium rings instead of High rings, and a LaRue mount has been spotted as well. Grips have varied from the usual A1, A2, and ERGO, and at least one Magpul MIAD has been used. As with the Mod0s, carbine stocks like the SOPMOD and M4 have been used on Mod1s.

ModH:
The Mod "Holland" was already a small-batch configuration, but even as soon as they were issued to 5th SFG units, some Ace SOCOM stocks were replaced with Magpul ACS and CTR stocks. Optics are basically anything existing in the unit's inventory, from S&B ShortDots still in the system, the 3-9x and 3.5-10x Leupold scopes from earlier Mod0s, and there's even a photo of an ELCAN on a Mod1 floating around. No non-magnified optics like EOTechs or regular Aimpoint M2/M4s, but Micros have been seen on offset mounts. Backup iron sights, as a whole, were almost entirely left unmounted. Grips were again the same usual selection.

Parts Alternatives for Clone Building
Many parts are rare, expensive, and/or both. Despite this, there are some alternatives to a 100% pure clone that will still provide the same visual look and performance. While not a museum-grade clone, most would be hard-pressed to discern the difference. Just know there are those of us out there that will haze and peer-pressure you into further moving your build towards a true clone.

Barrel:
Popular options are the White Oak Armament SPR barrel (rifle gas), BCM's SPR barrel, Rainier's Match and Ultramatch offerings (ensure it's the SPR contour with 12th Model profile), Ballistic Advantage's SPR barrel. Compass Lake Engineering can also spin a Mk12 profiled barrel with a Criterion chrome-lined blank, or even a Krieger, which was one of the original contenders for the program. The DPMS Mk12 barrels are NOT properly profiled for a clone.

Optics & Rings:
In the case of the Leupold 3-9x or 3.5-10x, it's generally okay to go for a non-illuminated version of either, sometimes with M1 or other turrets and reticles. As far as the NightForce scope, the 2.5-10x24mm is not generally released to the public anymore (with one recent exception through Sniper's Hide), so many use the 32mm or even 42mm versions with the #22 High rings. As for the rings, any of the recent produced A.R.M.S. #22s with the lever-stop humps are functionally the same, the desire for non-lever-stops is purely aesthetic when going for the most authentic look. As LaRue LT-104s have been seen in use, it is justifiable to use one depending on whether you have a specific rifle you want to copy, or even just if you absolutely cannot acquire #22 High rings.

A.R.M.S. #38 SWAN Sleeve:
The #38 family of sleeves are no longer available. Finding them secondhand usually cost $250-$300 easy, more for rarer early variants. Fortunately, PRi's copies of the sleeves look and function almost identically, with minor visual differences. PRi and other builders supply these currently for complete Mod0 builds.

FSB:
While the set-screw version of PRi's FSB is spec, most use the cross-bolt, clamp-style version. They are extremely robust, and when aligned and torqued, have been shown to hold strong enough that you'll probably shear your barrel extension pin or upper before it budges. This is mainly how Mod0 uppers are supplied by most vendors, including PRi themselves.

Suppressor, Brake/Collar:
Diverging from the OPS Inc. or AEM brake and collar will get you MAJOR flak. Trust me, I've been running an AAC SPR/M4 for years now and it took a LONG time to not get clubbed every time I posted it. The Allen Engineering AEM5 is basically the current production of the OPS Inc. 12th Model, as they were originally made by Ron Allen and his team in the first place. Only minor differences separate original OPS Inc. cans from AE cans, and these are only obvious to trained eyes.

As far as the rest, you can swap Colt parts out for any other .mil-spec parts, like BCM, DD, CMT, etc. Any billet uppers/lowers, funky BCG coatings, extended bolt releases, etc. are extremely frowned upon. Remember, once you start going down the path of building a "better" rifle rather than what was spec, you're quickly beyond clone territory and would have been better off building a custom 16" or 20" rifle. Cloning is generally viewed as all-in or not at all.

* * * * * * * * * *

Complete Mk12 Mod0 / Mod1 Uppers
Bravo Company Manufacturing
High Caliber Sales
Precision Reflex Inc.

Specific Mk12 Tech
Augee's side-by-side comparison of the original ARMS SWAN Sleeve and PRI reproduction PEQ Sleeves: bottom of p136
KOBK's side-by-side comparison of PRI Gen I, II, and III handguards, and Gen I and Gen II FSBs, and SWANs: middle of p137
Augee's Mod1 gas block tech: top half of p357
Glass1's Early Mod0 photo breakdown: middle of p449
tamboi's Leupold Vari-X, TS30, and TS30A2 scope history/lineage, and part numbers, p.792

Attachment Attached File
Link Posted: 7/10/2017 6:37:53 PM EDT
[Last Edit: NAP51DMustang] [#1]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Loadtoad1990:
It's not illuminated but instock as a special buy.... $849.99

LEUPOLD - MARK 4 LR/T 3.5-10X40 MIL DOT RIFLESCOPE
View Quote
*looks at wallet*  
 
sorry buddy

edit: wait not the TMR version hmmmm wallet may be safe for a bit longer. anyone know if leupold can switch the reticle with their illumination addition service?

edit 2: nvm found it back to rip wallet TMR version
Link Posted: 7/10/2017 7:28:01 PM EDT
[#2]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By kb1:
Leupold can add the illumination if you need it for $175.
View Quote
Just got a response from leupold and they can't do the 3.5-10 scopes.
Link Posted: 7/10/2017 7:52:35 PM EDT
[#3]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By NAP51DMustang:


*looks at wallet*  
 
sorry buddy

edit: wait not the TMR version hmmmm wallet may be safe for a bit longer. anyone know if leupold can switch the reticle with their illumination addition service?

edit 2: nvm found it back to rip wallet TMR version
View Quote
BTW.......Code LDN will get you $20 off and Free Shipping.
Link Posted: 7/10/2017 7:54:59 PM EDT
[#4]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By lonewolfgun:
Just got a response from leupold and they can't do the 3.5-10 scopes.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By lonewolfgun:
Originally Posted By kb1:
Leupold can add the illumination if you need it for $175.
Just got a response from leupold and they can't do the 3.5-10 scopes.
That's odd. They told me as long it was mil-dot or TMR  they could. 
Link Posted: 7/10/2017 8:47:48 PM EDT
[#5]
Optics Planet has Leupold 67940 in stock.

It's the FDE Leupold Mark 4 3.5-10x40mm Long Range / Tactical ( LR/T ) M2 Illuminated Reticle Rifle Scopes 67940

5 left at this time.
Link Posted: 7/10/2017 11:08:17 PM EDT
[#6]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By maxima2:
Optics Planet has Leupold 67940 in stock.

It's the FDE Leupold Mark 4 3.5-10x40mm Long Range / Tactical ( LR/T ) M2 Illuminated Reticle Rifle Scopes 67940

5 left at this time.
View Quote
I snagged on of these a while back from optics planet.  Called up leupold and they made me a mk12 mod 1 marked turret in FDE to match the scope.  Looks exactly the same as the black dial issued on the 112633 scopes.  Pretty cool to have a little more zoom and the same turret set up...
Link Posted: 7/10/2017 11:45:41 PM EDT
[#7]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Loadtoad1990:
BTW.......Code LDN will get you $20 off and Free Shipping.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Loadtoad1990:
Originally Posted By NAP51DMustang:


*looks at wallet*  
 
sorry buddy

edit: wait not the TMR version hmmmm wallet may be safe for a bit longer. anyone know if leupold can switch the reticle with their illumination addition service?

edit 2: nvm found it back to rip wallet TMR version
BTW.......Code LDN will get you $20 off and Free Shipping.
Want
Link Posted: 7/10/2017 11:54:50 PM EDT
[#8]
I just posted on EE a new KAC MK12 rail for sale. I also have everything else you need for a clone. All new just looking for what I paid for it.
Link Posted: 7/11/2017 1:05:16 AM EDT
[#9]
Test with new Imgur account (F&$K photobucket)

Link Posted: 7/11/2017 1:16:54 AM EDT
[#10]
Test with Flickr

Link Posted: 7/11/2017 10:40:23 PM EDT
[#11]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By EagleBeak:
Nope, wasn't me. I haven't been deployed yet. And when I do, I don't think OPSEC would appreciate me sharing photos. But, maybe I'll find an office to sanitize any pics I bring back for sharing.
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Originally Posted By EagleBeak:
Originally Posted By lancecriminal86:


I think you actually emailed me a long while back with some of your deployment pics. Not sure why some of them weren't in my folder. Hell I even saw a pic on a guy's FB who I put through guard academy at 8th and I, but I'm not going to add that one because reasons.
Nope, wasn't me. I haven't been deployed yet. And when I do, I don't think OPSEC would appreciate me sharing photos. But, maybe I'll find an office to sanitize any pics I bring back for sharing.
Lol quoted the wrong one, I think I meant EBlack!
Link Posted: 7/11/2017 10:42:18 PM EDT
[#12]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By kb1:
That's odd. They told me as long it was mil-dot or TMR  they could. 
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By kb1:
Originally Posted By lonewolfgun:
Originally Posted By kb1:
Leupold can add the illumination if you need it for $175.
Just got a response from leupold and they can't do the 3.5-10 scopes.
That's odd. They told me as long it was mil-dot or TMR  they could. 
Yeath that's bullshit, I contacted a few months back and they could even still do illumination on my Vari-X III...
Link Posted: 7/11/2017 11:57:59 PM EDT
[#13]
It seems like it just depends on who you talk to honestly.... One person calls and they say one thing... Another person calls and they say another thing...
Link Posted: 7/12/2017 8:23:31 AM EDT
[Last Edit: prodigy808] [#14]
Response to question I sent to Leupold yesterday. Shoulda stated custom M2 MK12 turrets instead of M3, not sure if a M3 to M2 turret change can be done or not. Looks like illumination can be added, but price tag is $300 and not $175.

Link Posted: 7/12/2017 9:29:31 AM EDT
[#15]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By prodigy808:
Response to question I sent to Leupold yesterday. Shoulda stated custom M2 MK12 turrets instead of M3, not sure if a M3 to M2 turret change can be done or not. Looks like illumination can be added, but price tag is $300 and not $175.

https://s13.postimg.org/yok6lfpaf/IMG_2126.jpg
View Quote
Should be easily done.  M3s should have 1/2 the amount clicks to get to the ranges shown on the M2s (1 Moa vs 1/2 Moa).  Wonder if THEY can figure that out.  It took them 2 tries and about 6 months to get me my FDE M2 mk12 mod 1 dial.  Told them to make part #112635 in FDE and it blew their mind.   Several people couldn't put that together in their mind and then I talked to a guy named Josh in the custom shop.  He got me lined out.
Link Posted: 7/12/2017 1:36:01 PM EDT
[Last Edit: chenault] [#16]
There's a nice vari x iii on Brianenos classifieds if someone needs one for $700.  It's illuminated
Link Posted: 7/12/2017 2:33:46 PM EDT
[#17]


$139 shipped. mod 0 spec case. former PD turn in. new foam was $50 shipped. my Holland has a new home :)
Link Posted: 7/12/2017 5:28:38 PM EDT
[Last Edit: ArpaioFan] [#18]
Range report from yesterday.  Took my mod 1 and m110 forgery out and shot some 100 & 300 yrd groups.  The Kreiger M110 barrel is accurate as hell.  I wish I could say the same for the Douglas mk 12.  All ammo was black hills 77 gr match in 5.56 and 175 SMK IN 308.  

I'm wondering if the less than ideal eye relief on the A2 stocked mk 12 is causing these groups.  

Attachment Attached File


That bottom right group is the best from the 308.  Best group from the mk12 is the center circle in the top target.
Link Posted: 7/12/2017 5:45:49 PM EDT
[#19]
^^ It looks like your Mk262 groups aren't bad except for a flyer that screws each up; that leads me to think it's not necessarily the barrel.  Eye relief is a notorious issue with the Mk12 though.

If you can shoot a few groups from a rest that should narrow it down.
Link Posted: 7/12/2017 5:49:50 PM EDT
[#20]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By ArpaioFan:
Range report from yesterday.  Took my mod 1 and m110 forgery out and shot some 100 & 300 hrs groups.  The Kreiger M110 barrel is accurate as hell.  I wish I could say the same for the Douglas mk 12.  All ammo was black hills 77 gr match in 5.56 and 175 SMK IN 308.  

I'm wondering if the less than ideal eye relief on the A2 stocked mk 12 is causing these groups.  

https://www.AR15.Com/media/mediaFiles/239198/IMG-0761-252412.JPG

That bottom right group is the best from the 308.  Best group from the mk12 is the center circle in the top target.  
View Quote
Post of pic of that m110!
Link Posted: 7/12/2017 6:11:33 PM EDT
[#21]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By drago6:


Post of pic of that m110!
View Quote
Attachment Attached File


I know it doesn't look like it, but I did a bunch of custom work to get this close to it.
Link Posted: 7/12/2017 8:42:44 PM EDT
[#22]
Is there a place selling foam cut for the MK12 cases? Sorry if it was posted before I haven't been able to keep track of this thread lately.
Link Posted: 7/12/2017 10:08:52 PM EDT
[#23]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Flyit14:
Is there a place selling foam cut for the MK12 cases? Sorry if it was posted before I haven't been able to keep track of this thread lately.
View Quote
-nobody with a case will make a template
-nobody that cuts foam has a template

easily remediable problem. 
Link Posted: 7/12/2017 11:45:24 PM EDT
[#24]
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Originally Posted By Flyit14:
Is there a place selling foam cut for the MK12 cases? Sorry if it was posted before I haven't been able to keep track of this thread lately.
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Page 705

Link Posted: 7/12/2017 11:51:54 PM EDT
[#25]
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Originally Posted By prodigy808:


Page 705

https://s10.postimg.org/rnlucb8zd/IMG_2127.jpg
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That's awesome!  Wonder if they could add the cutout for the bore guide
Link Posted: 7/13/2017 3:30:01 PM EDT
[#26]
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Originally Posted By prodigy808:


Page 705

https://s10.postimg.org/rnlucb8zd/IMG_2127.jpg
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This template isn't exactly the same as the surplus cases, however it's pretty close.
Link Posted: 7/13/2017 3:34:15 PM EDT
[#27]
Haven't posted anything for a while since photobucket being a dick.


Link Posted: 7/13/2017 7:23:49 PM EDT
[#28]
POSTIMAGE.ORG

wont expire. its free. keep arfcom picture friendly :)
Link Posted: 7/13/2017 8:34:20 PM EDT
[#29]
I've got a surplus case and will make a template. Whats the best way to go about it?
Link Posted: 7/13/2017 8:38:14 PM EDT
[#30]
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Originally Posted By ArpaioFan:
Range report from yesterday.  Took my mod 1 and m110 forgery out and shot some 100 & 300 yrd groups.  The Kreiger M110 barrel is accurate as hell.  I wish I could say the same for the Douglas mk 12.  All ammo was black hills 77 gr match in 5.56 and 175 SMK IN 308.  

I'm wondering if the less than ideal eye relief on the A2 stocked mk 12 is causing these groups.  

https://www.AR15.Com/media/mediaFiles/239198/IMG-0761-252412.JPG

That bottom right group is the best from the 308.  Best group from the mk12 is the center circle in the top target.
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Which Douglas did you go with?
Link Posted: 7/13/2017 9:08:27 PM EDT
[#31]
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Originally Posted By cbfurg:


Which Douglas did you go with?
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18" SPR profile from Precision Reflex

Here
Link Posted: 7/13/2017 9:23:13 PM EDT
[#32]
Some rattle can fun

Link Posted: 7/13/2017 10:02:06 PM EDT
[#33]
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Originally Posted By ShaneWang:
Haven't posted anything for a while since photobucket being a dick.
http://i.imgur.com/io3AUm3.jpg
http://i.imgur.com/iBeynQY.jpg
http://i.imgur.com/mOvTgKM.jpg
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God I love that rifle
Link Posted: 7/14/2017 12:27:08 AM EDT
[#34]
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Originally Posted By cbfurg:
I've got a surplus case and will make a template. Whats the best way to go about it?
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@Sampson-Dogg made a template - he may still have some available.

Also, AFAIK, the foam from mycasebuilder should be correct - the user (@Firejareen) worked with the company on several versions using issued foam as the sample to get it exactly right. The gif in the thread may not be exact (being a 5" representation of a 40x14" part), but supposedly the actual foam is.
Link Posted: 7/14/2017 7:43:51 AM EDT
[#35]
PRI gas buster ch $55 shipped from AU
Link Posted: 7/14/2017 10:20:02 AM EDT
[Last Edit: revottuneda4] [#36]
Brownells has A1 blem lowers for sale for $124.99. Apparently they have safety engravings on both sides.

ETA: and free shipping all day
Link Posted: 7/14/2017 11:52:59 AM EDT
[#37]
Damn, so many nice builds here, though a lot of pics from the first page are gone now after Photobucket took a shit.

I have a question - how bad will I be shunned for using a VX-R Patrol 3-9x40mm instead of the correct glass?  $1,800 for a Mark 4 MR/T 2.5-8x36mm is kind of a hard pill to swallow, not to mention damn near impossible to find.  

I'm guessing the answer is - go be poor somewhere else?
Link Posted: 7/14/2017 12:25:07 PM EDT
[Last Edit: chenault] [#38]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Mister_Donut:
Damn, so many nice builds here, though a lot of pics from the first page are gone now after Photobucket took a shit.

I have a question - how bad will I be shunned for using a VX-R Patrol 3-9x40mm instead of the correct glass?  $1,800 for a Mark 4 MR/T 2.5-8x36mm is kind of a hard pill to swallow, not to mention damn near impossible to find.  

I'm guessing the answer is - go be poor somewhere else?
View Quote
I don't think that anyone will fault you for using one if your saving or looking for the right one. People in the MK12 thread are generally pretty understanding if you are slowly changing your rifle into the correct one.  My first version was kind of spotty by today's standards

If you keep your eye on ee you can get that scope for under $1000.

If your looking in the $1800 range it's time to start looking at nightforce
Link Posted: 7/14/2017 12:33:03 PM EDT
[Last Edit: HaveBlue83] [#39]
i ran a mil/mil 1" mark ar 3-9 for 6months man......clonin aint easy....but i found a mil dot 3.5-10 mk4 in the EE for $620 shipped :).

do what u must do! i still need an aem5 as well. one small painful step at a time leads to perfection in the end :)



Link Posted: 7/14/2017 12:35:32 PM EDT
[#40]
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Originally Posted By prodigy808:
PRI gas buster ch $55 shipped from AU
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What or who is AU?

Got a link?
Link Posted: 7/14/2017 12:38:02 PM EDT
[#41]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Mister_Donut:
Damn, so many nice builds here, though a lot of pics from the first page are gone now after Photobucket took a shit.

I have a question - how bad will I be shunned for using a VX-R Patrol 3-9x40mm instead of the correct glass?  $1,800 for a Mark 4 MR/T 2.5-8x36mm is kind of a hard pill to swallow, not to mention damn near impossible to find.  

I'm guessing the answer is - go be poor somewhere else?
View Quote
Look at the top post on this page.
Link Posted: 7/14/2017 12:41:43 PM EDT
[#42]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By chenault:
I don't think that anyone will fault you for using one if your saving or looking for the right one. People in the MK12 thread are generally pretty understanding if you are slowly changing your rifle into the correct one.  My first version was kind of spotty by today's standards

If you keep your eye on ee you can get that scope for under $1000.

If your looking in the $1800 range it's time to start looking at nightforce
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By chenault:
Originally Posted By Mister_Donut:
Damn, so many nice builds here, though a lot of pics from the first page are gone now after Photobucket took a shit.

I have a question - how bad will I be shunned for using a VX-R Patrol 3-9x40mm instead of the correct glass?  $1,800 for a Mark 4 MR/T 2.5-8x36mm is kind of a hard pill to swallow, not to mention damn near impossible to find.  

I'm guessing the answer is - go be poor somewhere else?
I don't think that anyone will fault you for using one if your saving or looking for the right one. People in the MK12 thread are generally pretty understanding if you are slowly changing your rifle into the correct one.  My first version was kind of spotty by today's standards

If you keep your eye on ee you can get that scope for under $1000.

If your looking in the $1800 range it's time to start looking at nightforce
Good grief, the VX-R is a decent scope.  Run what you got.
Many of us have not clone correct rifles, I've never even bothered to install one of my wheeled front sights, much less get something besides the LMT Defender 2000 lower.
And I don't even use the ARMS 22 rings, mainly because of PVS-22 compatibility, but also because they aren't the best choice for RTZ.
M16 lower, you have got to be kidding, I'd rather have the NV and suppressors. Had my share of full auto years ago. Anything else is a clone.
No A1 stock either, the SOPMOD suits me better due to adjustability.
You can build the most clone or original spec rifle ever, if you want, and gun the heck out of it, or something you shoot.
We've all been there.  Not many M16 lowers around, none you can afford, so don't worry about it.
Link Posted: 7/14/2017 12:47:20 PM EDT
[#43]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By chenault:


I don't think that anyone will fault you for using one if your saving or looking for the right one. People in the MK12 thread are generally pretty understanding if you are slowly changing your rifle into the correct one.  My first version was kind of spotty by today's standards

If you keep your eye on ee you can get that scope for under $1000.

If your looking in the $1800 range it's time to start looking at nightforce
View Quote
Thanks!  I'll go grab one today.  For $890 CAD ($702 USD), at least I can get the rifle up and running without having to look at empty scope rings.....or the rear iron sight because I need to wait a bit to find the front iron sight, lol!

I'm pretty far from being able to post pics of my build, but I will as soon as more parts start coming in.

I was going for "close enough" with my MK18 build, but I ended up going full retard, replacing all sorts of parts because OCD.

Thanks again!
Link Posted: 7/14/2017 12:49:11 PM EDT
[#44]
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Originally Posted By maxima2:
Look at the top post on this page.
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I did, haha!  They won't ship to Canadastan because of ITAR :(

No deals for the snow mexicans.
Link Posted: 7/14/2017 1:26:51 PM EDT
[#45]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By maxima2:
What or who is AU?

Got a link?
View Quote
May have sold out, link no longer working

http://www.ar15.com/forums/t_7_25/1677992_PRI-M84-Gas-Buster-AR15-M4-Charging-Handle----55.html
Link Posted: 7/14/2017 5:46:57 PM EDT
[#46]
Link Posted: 7/14/2017 6:12:19 PM EDT
[#47]
In case anybody is in need of a Leupold 67925, M2 TMR 2.5-8X36 Illum. Scopelist is clearing them out. $940 shipped. TS-30A2 seems to be unobtanium, unless you want your anal cavity stretched out as far as $$$ .
Link Posted: 7/14/2017 8:26:00 PM EDT
[#48]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Mister_Donut:


Thanks!  I'll go grab one today.  For $890 CAD ($702 USD), at least I can get the rifle up and running without having to look at empty scope rings.....or the rear iron sight because I need to wait a bit to find the front iron sight, lol!

I'm pretty far from being able to post pics of my build, but I will as soon as more parts start coming in.

I was going for "close enough" with my MK18 build, but I ended up going full retard, replacing all sorts of parts because OCD.

Thanks again!
View Quote
I don't know, for not much more you can get a MKIV - why not wait a few weeks and save up a bit more vs buying a $700 scope you know you will replace soon.  If you have to have glass in the meantime get something lower cost, just a entry level scope to get buy while you save a bit more for the correct one?  Hell just grab a Weaver or Vortex 3-9 for cheap to use temporarily... unless you never plan to put the correct scope on it, then buy what you want :).
Link Posted: 7/14/2017 9:21:31 PM EDT
[Last Edit: Mister_Donut] [#49]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By 78Staff:

I don't know, for not much more you can get a MKIV - why not wait a few weeks and save up a bit more vs buying a $700 scope you know you will replace soon.  If you have to have glass in the meantime get something lower cost, just a entry level scope to get buy while you save a bit more for the correct one?  Hell just grab a Weaver or Vortex 3-9 for cheap to use temporarily... unless you never plan to put the correct scope on it, then buy what you want :).
View Quote
Actually. I found a VXR for about $640 CAD ($510 USD) but hose Mark 4s are HUGE dollars in Canada, minimum $1899 CAD ($1,500 USD), and that's if yiu can even find one up here.
Link Posted: 7/14/2017 9:38:25 PM EDT
[#50]
I switched out the stock for an F93 and loving the feel and balance it brings.
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