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AZ, USA
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Posted: 5/17/2013 5:16:58 PM EDT
[#1]
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Posted: 5/23/2013 6:28:57 PM EDT
[Last Edit: jasonusvi]
[#2]
^^^ That is sweet... I might have to get one of those light mounts. Separately, just put my order in for a factory 300BLK 10.5" from Oakland Tactical. They have some in stock.
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AZ, USA
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Posted: 5/26/2013 12:38:53 AM EDT
[Last Edit: StrangerDanger]
[#3]
The Thorntail is the perfect mount for this size barrel. It puts the activation button right where you want it. I replaced my GearSector offset mount with it last year. It does sit close to the piston cap, so it is a little harder to disassemble the piston. It isn't impossible though. Worth the trouble for sure.
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Posted: 6/5/2013 11:16:13 PM EDT
[Last Edit: jasonusvi]
[#4]
Factory LMT 10.5" 300BLK with "pistol" gas length.
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USA
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Posted: 6/11/2013 7:41:53 PM EDT
[#5]
Is that factory length or cut down?
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Posted: 6/11/2013 10:02:10 PM EDT
[#6]
^^ Factory 10.5"
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USA
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Posted: 6/12/2013 9:48:10 AM EDT
[#7]
where'd you get it?
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Posted: 6/12/2013 10:46:36 AM EDT
[#8]
Oakland Tactical
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USA
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Posted: 6/12/2013 10:01:16 PM EDT
[#9]
Sorry, forgot to ask if you knew what muzzle threads it has?
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Posted: 6/13/2013 3:41:24 AM EDT
[#10]
What's the word on the new chassis?
Are they out in the wild yet? Haven't seen any resent photos since SHOT. |
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Posted: 6/14/2013 3:09:55 AM EDT
[Last Edit: Toxie]
[#11]
Well I put an Aimpoint M3 (2 moa) on my LMT MRP. I like it quite a bit, the dot is crisp and it's very robust. I shot it off of the Grippod @ 50 yards seated, the dots are ~1". 55 gr. Federal .223 rounds.
So this is my first 6 shots, obviously shooting high/right (I wasn't overly worried for group size, I wanted to see where it was shooting). 
Here's the second 3-shot group: Still a tad high and a bit right, but a good group (.65" Center-to-center, the top and bottom shots) The other (bigger) hole is my boss shooting my suppressed .308. 
Third time's a charm (even if I did throw one) considering that the projected dot is the same size as the actual dot @50 yards (5 shots in 1.14" CTC - the top right shot to bottom left). 
I then shot it some offhand doing some movement, overall a fun day at the range. Better then working I suppose! |
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AZ, USA
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Posted: 6/16/2013 3:17:09 PM EDT
[#12]
My stamp finally came back for my AAC Element 2. I am using the Spikes Tactical 22lr bolt and drop in 5" MRP 22lr barrel.
Video of shooting over chrono The 5" barrel makes bulk pack ammo subsonic |
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VA, USA
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Posted: 6/19/2013 2:57:32 PM EDT
[#13]
Quick question for those with multiple barrels. How are you storing your spare barrel assemblies? I've been casually looking for some sort of small soft sided case to put the 2 extra barrels I have and to avoid just storing them in a toolbox or in a drawer in my bench where they can get banged up. Originally, I was looking the SAW spare barrel bag but it's a little more than I would like to spend.
Thanks |
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USA
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Posted: 6/21/2013 9:10:37 PM EDT
[#14]
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WA, USA
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Posted: 7/16/2013 3:20:01 AM EDT
[#15]
My attempt at being as cool as Trident. MWS cl 16" Rifle length MRP SS 5-r 16" CQB length MRP cl 16" |
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Posted: 7/18/2013 9:28:48 PM EDT
[#16]
ive done suppressed, unsupressed, lights on, lights on lights off, short handguards, long handguards, UBR to SopMods and everything in between.
ive settled on this configuration as being closest to what a carbine should be, handy, accurate, and reliable, mission will dictate what goes on the rifle, no need to turn a 8 pound loaded rifle into a 10 pound battle rifle if not needed. 
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USA
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Posted: 7/18/2013 9:40:44 PM EDT
[Last Edit: jtdam24]
[#17]
Quote HistoryOriginally Posted By m4hk33:
ive done suppressed, unsupressed, lights on, lights on lights off, short handguards, long handguards, UBR to SopMods and everything in between. ive settled on this configuration as being closest to what a carbine should be, handy, accurate, and reliable, mission will dictate what goes on the rifle, no need to turn a 8 pound loaded rifle into a 10 pound battle rifle if not needed. <a href="http://s40.photobucket.com/user/dpg2311/media/IMG_20130718_180947_zps1c7ccb40.jpg.html" target="_blank">http://i40.photobucket.com/albums/e233/dpg2311/IMG_20130718_180947_zps1c7ccb40.jpg</a> Nice rifle, nice and simple I like it. Although I do prefer to run a light. The MRP's are my idea of the perfect AR. Actually I have a 4th MRP chassis inbound with a 10.5" 300BO factory barrel. Think I may run an acog and offset RMR on this one 
Eta pic thread- 
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Posted: 7/18/2013 9:56:04 PM EDT
[#18]
yeah, MRP's really tough to beat, i would like to get a 12.5 Piston, really like the looks, did 10.5 for a long time and just got tired of it, great gun, just needed to change it up
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USA
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Posted: 7/24/2013 6:39:08 PM EDT
[Last Edit: jtdam24]
[#19]
Got my factory 300BO 10.5" in today!
ETA I also got the invoice that my Surefire SOCOM 7.62RC in FDE is transferring to my dealer on a form 3! |
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KS, USA
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Posted: 7/29/2013 11:05:25 PM EDT
[#20]
Any 6.5G barrels available? thinking about doing a 18" stainless 5.56, but I'd like to shoot out farther if I ever have the chance.
Leads on a rifle length upper? |
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Posted: 7/29/2013 11:30:34 PM EDT
[#21]
Quote HistoryOriginally Posted By m6z:
Any 6.5G barrels available? thinking about doing a 18" stainless 5.56, but I'd like to shoot out farther if I ever have the chance. Leads on a rifle length upper? Rainier Arms seems to have them in stock: http://www.rainierarms.com/?page=shop/detail&product_id=714 |
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CA, USA
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Posted: 7/30/2013 1:11:16 AM EDT
[Last Edit: Sniper3142]
[#22]
Quote HistoryOriginally Posted By FITTER:
Rainier Arms seems to have them in stock: http://www.rainierarms.com/?page=shop/detail&product_id=714 Quote HistoryOriginally Posted By FITTER:
Originally Posted By m6z:
Any 6.5G barrels available? thinking about doing a 18" stainless 5.56, but I'd like to shoot out farther if I ever have the chance. Leads on a rifle length upper? Rainier Arms seems to have them in stock: http://www.rainierarms.com/?page=shop/detail&product_id=714 I believe he is looking for an 18 inch 6.5 Grendel barrel for his MRP. There are no factory 6.5 Grendel barrels made for the MRP system (and the factory 6.8 barrels are the inferior SPC ones; vs. the SPC II). Your best bet is to have a standard 6.5 Grendel barrel modified to work with the MRP system. I know DBMG used to do it that kind of work (http://www.dbmg-llc.com). |
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KS, USA
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Posted: 7/30/2013 8:45:32 AM EDT
[Last Edit: m6z]
[#23]
Ok after doing some research I've got a few questions. My orginal plan was to build two standard uppers. One 18" Stainless 6.5G and one 18" Stainless 5.56. Est. price was $2k give or take a couple hundred dollars. The reality is I'm never going to be shooting both of these uppers on the same range trip, so now I'm thinking one LMT rifle length MRP with two barrels would be another option and come out to around the same price. I can leave the one scope mounted to the upper and swap barrels when the desire arises.
Is this a good platform for shooting tiny groups or is the barrel swap feature lacking anything from the standard barrel nut design? Does anyone know if DBMG will convert a melonited barrel? Does anyone know where I can find a rifle length MRP upper with an 18" 5.56 stainless barrel? |
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USA
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Posted: 7/30/2013 4:57:21 PM EDT
[#24]
The MRP's are very accurate rifles and the barrel mounting system is probably more robust than your standard barrel nut setup...but you have to keep in mind that switching barrels, and especially switching calibers is going to require you to constantly readjust and re-zero your scope. There is no way around that...not with any rifle on earth.
If zero your optic with the 5.56 barrel, then pull the barrel and immediately re-install the same barrel, your zero will remain very close...but not perfect. If you install a different caliber, you'll be adjusting for different ballistics all together. |
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KS, USA
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Posted: 7/30/2013 6:42:17 PM EDT
[Last Edit: m6z]
[#25]
Thanks.
I've looked for other places with the rifle length upper/rifle in stock, but Rainier seems to be the only place. How is their current pricing? $1324 a fair price for a rifle length mpr upper with 14.5" barrel? No BCG. Thinking about buying an upper now and then sending a 6.5G barrel out to be modified. Shouldn't be to hard to sell the 14.5" barrel. something close to this. 
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KS, USA
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Posted: 8/13/2013 12:21:19 AM EDT
[#26]
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Posted: 8/13/2013 3:17:35 AM EDT
[#27]
Who cut and dimpled them? Marvin? Did you keep the port the same?
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KS, USA
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Posted: 8/13/2013 11:36:37 PM EDT
[#28]
Marvin did the barrels. 14.5" cut to 11.5" and the gas ports are unmodified.
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AZ, USA
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Posted: 8/16/2013 9:16:14 PM EDT
[#29]
I have never had any issues with my issued M4 but if I could I would take my MRP. I have a CQB I want to trade for a rifle length if anyone is interested.
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PA, USA
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Posted: 8/30/2013 4:55:07 PM EDT
[#30]
interested in the that trade. I have a rifle length 556 mrp
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USA
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Posted: 8/30/2013 7:07:15 PM EDT
[#31]
Have a CQB MRP in 300BO in the works currently. Here's a few pic of some of my MRP's
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Posted: 9/2/2013 12:05:34 PM EDT
[#32]
OK, I officially have a chocolate MRP!
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AZ, USA
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Posted: 9/2/2013 7:13:10 PM EDT
[#33]
What do you have the SF light on?
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Posted: 9/2/2013 7:27:26 PM EDT
[Last Edit: INTrooper4255]
[#34]
Quote HistoryOriginally Posted By CD0311:
What do you have the SF light on? Battle Comp Mossie Midnight Mount |
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Posted: 9/3/2013 11:14:30 PM EDT
[#35]
Akimbo full auto LMT MRPs vs. Microsoft Surface:
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Posted: 9/4/2013 4:41:43 PM EDT
[#36]
So I need 2-3 barrels converted to the MRP platform when I get home in a couple months. DBMG doesnt answer their phones, where are you guys having your conversions done?
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Posted: 9/4/2013 11:11:00 PM EDT
[Last Edit: vugger]
[#37]
Quote HistoryOriginally Posted By daemon734:
So I need 2-3 barrels converted to the MRP platform when I get home in a couple months. DBMG doesnt answer their phones, where are you guys having your conversions done? I think Marvin Pitts (Nefarious Arms) has done this conversion for a few people. Excellent machinist! |
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Posted: 9/6/2013 1:58:25 PM EDT
[#38]
Quote HistoryOriginally Posted By vugger:
I think Marvin Pitts (Nefarious Arms) has done this conversion for a few people. Excellent machinist! Quote HistoryOriginally Posted By vugger:
Originally Posted By daemon734:
So I need 2-3 barrels converted to the MRP platform when I get home in a couple months. DBMG doesnt answer their phones, where are you guys having your conversions done? I think Marvin Pitts (Nefarious Arms) has done this conversion for a few people. Excellent machinist! Thanks, does anyone have his phone number? I haven't been able to reach him via email. |
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Posted: 9/9/2013 7:49:50 AM EDT
[Last Edit: daemon734]
[#39]
Sweet, got ahold of Marvin, looks like my MRP plans are pushing forward.
I do have a couple questions though, I apologize if these have been answered in the thread, im in Afghanistan and cant read the whole thing. - Im looking at trading in my 9mm SBR upper for an additional MRP upper with the 9mm barrel, and be able to use all the barrels on both. Are the rails wide enough to accommodate a 5.5" barrel and my gemtech can? - With the CQB platform, how far out does a midlength barrel and low pro gas block stick out from the rails? Does the gas block butt right up against it or is there gas tube exposed? - For anyone swapping between 5.56 and 6.8 SPC II, what type of optic are you using? Id like to go magnified, but all my magnified optics have BDC reticles for 5.56. Would the 6.8 be that far off from the 5.56 BDC reticle on my Elcan Specter at 300m or less? With the 9mm I can just use the Elcan as a red dot, but I am wondering if I need to swap to an entirely different optic for 6.8. |
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Posted: 9/9/2013 9:50:03 AM EDT
[#41]
Quote HistoryOriginally Posted By scoutfsu99:
Daemon, This is what a midlength on a CQB chassis would look like. It was a 16" cut to 14.5 and dimpled by Marvin. 16" = midlength, 14.5 and under = carbine length gas. No idea about the 9mm and 6.8 but I keep my optics on QD mounts and mark where I have them on the upper. When I switch barrels, I just switch optics. I think it's easier than trying to rezero or play hold off games. Awesome, thanks. I'm looking at sending him a midlength 6.8 SPCII barrel and that solves my questions with that. |
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AZ, USA
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Posted: 9/30/2013 11:58:47 PM EDT
[Last Edit: StrangerDanger]
[#42]
Made a few changes to my MRP lately. I installed a Seekins billet bolt release and a set of Battle Arms Development enhanced take down and pivot pins.
Pictures are in my 22lr conversion from Spikes with a dedicated 22lr bolt. Basic build specs: SMOS Billet 7075 Lower Receiver (OEM Source for LaRue's lowers) Geisselle SSA Trigger PWS 7075 Billet Receiver Extension JP Enterprises Silent Buffer Magpul MIAD Grip Magpul ACS Stock Spikes Billet Magazine Button Seekins Billet Bolt Release Norgon Ambidextrous Magazine Release Battle Arms Development CASS ST Long/Short Levers Battle Arms Development Enhanced Takedown and Pivot Pins LMT MRP Piston Operated Upper LMT Piston barrel modified by ADCO to 14.5" and profiled down to .625" diameter, painted FDE, Vortex Flash Suppressor pinned in place. Spikes Tactical 22lr barrel modified by ADCO to 14.5" and profiled down to .625" diameter, painted FDE, comp pinned in place. Raptor ambidextrous Charging Handle POF Roller Cam Adams Armament bolt return spring LaRue Index Clips Troy Industries Back Up Iron Sights Aimpoint T1 on a LaRue Tall Mount Aimpoint 3x Magnifier on a LaRue Mount Surefire M600C Weapon Light Thorntail light mount Blue Force Gear 2 Point padded sling with sewn in QD connectors For the coating/painting, I had WMD Guns and Chaos Arms do the work. Chaos Arms painted my optics/mounts in Burnt Bronze Cerakote. WMD Guns coated my MRP upper, lower, bolt, bolt carrier, charging handle, piston and receiver extension in Nickel Boron. The exterior of the lower, upper, visible portion of the charging handle, Thorntail mount and receiver extension in their version of Burnt Bronze. The match between the two coaters is nearly identical. The action is so smooth on this build. You can charge the weapon with one finger without any strain. Most of this is due to the entire weapon riding on a bed of polished Nickel Boron. The silent buffer, roller cam and bolt return spring help too. Naturally, it shoots fantastic, even with garbage Wolff ammunition. 
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Posted: 10/1/2013 9:30:36 AM EDT
[#43]
If anyone is interested I contacted a gear manufacturer and he is working on padded molle barrel bags for the MRP with integrated storage for BCG's.
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Posted: 10/2/2013 2:14:46 AM EDT
[#44]
I'm in for details on a MRP bag.
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Posted: 10/2/2013 4:09:32 AM EDT
[#45]
Quote HistoryOriginally Posted By Toxie:
I'm in for details on a MRP bag. Here is where we are at currently. I'll start posting info in this thread about it. http://www.ar15.com/forums/t_3_12/623916_LMT_MRP_barrel_bags_.html |
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USA
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Posted: 10/23/2013 9:02:30 PM EDT
[Last Edit: jtdam24]
[#46]
Got a new addition today!
LMT MRP CQB in 300BO- 
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FL, USA
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Posted: 10/23/2013 9:13:44 PM EDT
[#47]
Quote HistoryOriginally Posted By jtdam24:
Got a new addition today! LMT MRP CQB in 300BO- http://i.imgur.com/bvXuEs7.jpg http://i.imgur.com/671Na8B.jpg http://i.imgur.com/1xQqRgq.jpg http://i.imgur.com/8ukBUuS.jpg http://i.imgur.com/BOXfoc3.jpg http://i.imgur.com/q0JSl9H.jpg http://i.imgur.com/rsPsAzL.jpg http://i.imgur.com/WIqnLgf.jpg Wow, very nice! Beautiful looking house by the way! |
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Posted: 10/24/2013 5:16:33 AM EDT
[#48]
LMT |
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USA
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Posted: 10/24/2013 12:20:57 PM EDT
[Last Edit: jtdam24]
[#49]
Factory 5.56 MRP and factory 300BO MRP
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Posted: 10/25/2013 10:14:11 AM EDT
[#50]
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