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Link Posted: 3/27/2017 10:10:54 AM EDT
[Last Edit: Bedouin2W] [#1]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By MackDaddy1962:


I'll do just that.I know the VV 3MOA mounted on the UTG .5" riser is 2.48oz, on the UTG .75" riser it's 2.54oz.

http://media.fotki.com/1_p,rtdfqtgrbgwfsrgxwqqwkgwdrkw,vi/rqfqbsgwdxwrbgqqbtqxbrstgdrkk/2/17642/14225373/58512160778465-vi.jpg

Edit: VV with factory installed pic base is 1.62oz
View Quote
Thank you very much. I think I am going to go with a pistol-style RDS on a riser for my semi-LW build (estimating 5.42 lbs right now) and am trying to consider all my options. Maybe @jekbrown or someone else can add those weights to the LW parts list sheet? I would, but I cannot access google docs on this network.

Do you have a weight on the VV without the factory mount? From what I have been able to research, the Venom supposedly can use the same bases as FastFire 3, so I am trying to find the lightest reliable base that would work with a FastFire 3 (and therefore Venom).
Link Posted: 3/27/2017 10:31:58 AM EDT
[#2]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Bedouin2W:

Thank you very much. I think I am going to go with a pistol-style RDS on a riser for my semi-LW build (estimating 5.42 lbs right now) and am trying to consider all my options.
View Quote
Just something else to consider:

scalar works ldm

quick detach, fits T1/H1 and PA micro dots.

With a PA red dot, optic and mount weighed in at ~5 oz total on my scale.   Wrote the exact down somewhere but I've moved papers around since then.
Link Posted: 3/27/2017 10:46:33 AM EDT
[#3]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Bedouin2W:

Thank you very much. I think I am going to go with a pistol-style RDS on a riser for my semi-LW build (estimating 5.42 lbs right now) and am trying to consider all my options. Maybe @jekbrown or someone else can add those weights to the LW parts list sheet? I would, but I cannot access google docs on this network.

Do you have a weight on the VV without the factory mount? From what I have been able to research, the Venom supposedly can use the same bases as FastFire 3, so I am trying to find the lightest reliable base that would work with a FastFire 3 (and therefore Venom).
View Quote
Done!
Link Posted: 3/27/2017 4:07:32 PM EDT
[#4]
RRA ELITE CAR (mid-length gas system) HBAR with shortened, pinned, and lightened bbl by ADCO.  CTR stock and MOE forestock with custom grip.  With light and sling but without mag it weighs just 5lbs 15oz as it sits.  Barely under 6lbs but still it's under.

Link Posted: 3/27/2017 5:15:26 PM EDT
[Last Edit: larrys] [#5]
I have a Vortex Venom that is still in the box. It weighs 29 grams with battery, no mount. Not sure if the two screws are included in the VV weight or the mount, but they add one gram, so 30 g with screws.
Link Posted: 3/27/2017 8:59:41 PM EDT
[#6]
KAK 6.25" 300blk barrel
Aero Precision M4E1 upper 
Aero 7" quantum keymod cut down to 6.25"
Troy PDW stock and BCG w/aluminum buffer weights
Seekins adj gas block
Magpul K2 grip (w/plug...I gotta keep a copy of the stamp somewhere) 
Aero lower
Hiperfire 24c trigger

All totalling 4lb 11.5oz

Waiting for the suppressor (~13oz)
And an optic (Vortex Sparc 2 @ 6oz)

Which should meen a 5lb 14oz gun , suppressed with an optic

Attachment Attached File
Link Posted: 3/30/2017 5:23:21 PM EDT
[#7]
Lightest config:



5 lbs, 5.9 oz

How I'll actually use it most of the time:



5 lbs, 12.2 oz.

With a PA 5x prism it breaks the 6 lbs rule.  I need a TA33.  

Parts list:
Standard PSA lower
Magpul K2 grip
Standard lower parts kit, minus Geissele SSA-E and CMMG ambi safety
Spikes T2 buffer kit
MFT Minimalist Stock
Aero Upper w/o Forward Assist
AIM Lightweight BCG
BCM Ambi Gunfighter charging hadlle, Mod 4 size
Faxon 14.5" pencil barrel, midlength gas
13" ALG EMR V2
Voodoo Manimal pinned and welded
Low profile .650 gas block

Wasn't specifically going for super light weight here, so I'm glad I still managed to squeak in under 6 with a red dot and light.  Could save more weight by ditching ambi parts, but I'm a lefty and wanted a practical rifle that was lightweight, not a lightweight rifle for the sake of being super light.
Link Posted: 3/30/2017 5:37:19 PM EDT
[#8]
Nice job 74 Novaman. And I'm with ya, keep the ambi-selector. I'm a lefty too! Function over fashion.. period!
Link Posted: 3/30/2017 5:43:49 PM EDT
[Last Edit: MackDaddy1962] [#9]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Bedouin2W:

Thank you very much.

Do you have a weight on the VV without the factory mount? From what I have been able to research, the Venom supposedly can use the same bases as FastFire 3, so I am trying to find the lightest reliable base that would work with a FastFire 3 (and therefore Venom).
View Quote
Looks like Larrys post above states 30g (1.058oz) for the bare VV RD with mount screws and battery installed. That sounds about right. I'd re-measure, but all four of mine are locktite'd in place.

Rock on
Link Posted: 3/30/2017 6:51:18 PM EDT
[#10]
Just received a Proof Research carbon fiber barrel for a 300 blackout build. The barrel is 16" in length and weighs in at 23 ounces. Not the absolute bottom of the scale for barrel weights, but likely the best at keeping a rigid barrel for precision builds. Naturally this comes at a significant price, but anyone chasing lightweight parts already knows this game well. They have a larger profile if you're primary concern is precision over weight savings.

I also swapped out several Mag Tactical magnesium upper receivers for V7 Weapon Systems 2055 lithium aluminum uppers. The Mag Tactical uppers had a V7 lightweight forward assist installed, but no dust cover/pin and came in at 5.55 ounces. The V7 Weapon Systems unit doesn't have a forward assist, and without the door/pin installed, the unit weighed in at 5.90 ounces. I have several samples, and each has a +/- variance of around 0.15 ounces.

During high speed camera testing of the uppers, we noted that the magnesium upper receivers permitted the barrel to flex significantly more than the lithium aluminum ones. Same rail, same barrel nut. Same torque spec was hit. Same barrel nut grease. Units were tested on the same lower. The uppers were both faced with a lapping tool. With the magnesium uppers, you could see a significant amount of flex reverberate from the barrel through the upper.

In my opinion, the sub-half ounce weight difference isn't worth the strength and rigidity shown in the lithium aluminum. Given the fact that the magnesium uppers are hard to find, it's a no brainer to go with the V7. Their price point is high. I noted that even these high end V7 uppers still benefited from hitting them with the facing tool on the lathe. So just because you're buying top shelf, doesn't mean you can skip some of the accuracy wringing steps.

These V7 uppers are an ideal host for using a JP Enterprises low mass bolt carrier paired and a JP Enterprises Silent Buffer. Match this with a good adjustable titanium gas block from say SLR and you'll have a winning combination that you can dial in for performance.
Link Posted: 3/30/2017 6:56:27 PM EDT
[Last Edit: Nada-Nada] [#11]
Nevermind... delete...
Link Posted: 3/30/2017 8:24:00 PM EDT
[Last Edit: Trollslayer] [#12]


Here's mine (my wife's actually).

It's never been weighed but it is light.  The barrel is 0.625" OD.  It was turned down from 0.920" OD by the good guys at ADCO.  They did a great job and, yes, the rifle is accurate.

She loves the EOTech sight, too.  Go figure?
Link Posted: 3/30/2017 9:36:34 PM EDT
[#13]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By StrangerDanger:
Just received a Proof Research carbon fiber barrel for a 300 blackout build. The barrel is 16" in length and weighs in at 23 ounces. Not the absolute bottom of the scale for barrel weights, but likely the best at keeping a rigid barrel for precision builds. Naturally this comes at a significant price, but anyone chasing lightweight parts already knows this game well. They have a larger profile if you're primary concern is precision over weight savings.

I also swapped out several Mag Tactical magnesium upper receivers for V7 Weapon Systems 2055 lithium aluminum uppers. The Mag Tactical uppers had a V7 lightweight forward assist installed, but no dust cover/pin and came in at 5.55 ounces. The V7 Weapon Systems unit doesn't have a forward assist, and without the door/pin installed, the unit weighed in at 5.90 ounces. I have several samples, and each has a +/- variance of around 0.15 ounces.

During high speed camera testing of the uppers, we noted that the magnesium upper receivers permitted the barrel to flex significantly more than the lithium aluminum ones. Same rail, same barrel nut. Same torque spec was hit. Same barrel nut grease. Units were tested on the same lower. The uppers were both faced with a lapping tool. With the magnesium uppers, you could see a significant amount of flex reverberate from the barrel through the upper.

In my opinion, the sub-half ounce weight difference isn't worth the strength and rigidity shown in the lithium aluminum. Given the fact that the magnesium uppers are hard to find, it's a no brainer to go with the V7. Their price point is high. I noted that even these high end V7 uppers still benefited from hitting them with the facing tool on the lathe. So just because you're buying top shelf, doesn't mean you can skip some of the accuracy wringing steps.

These V7 uppers are an ideal host for using a JP Enterprises low mass bolt carrier paired and a JP Enterprises Silent Buffer. Match this with a good adjustable titanium gas block from say SLR and you'll have a winning combination that you can dial in for performance.
View Quote
This is excellent data, thanks!
Link Posted: 3/31/2017 6:13:21 PM EDT
[#14]
My build started a little less ambitious with a LaRue PredatAR barrel, then the disease set in. After the $$ spent on dropping weight elsewhere I decided the low dollar/ounce weight loss a barrel swap would provide would be stupid not to do. Installed a Faxon 16" pencil barrel today.

Attachment Attached File


Attachment Attached File


Attachment Attached File


Attachment Attached File
Link Posted: 4/2/2017 12:51:31 AM EDT
[Last Edit: lightpaw] [#15]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Redbirdxx:
My build started a little less ambitious with a LaRue PredatAR barrel, then the disease set in. After the $ spent on dropping weight elsewhere I decided the low dollar/ounce weight loss a barrel swap would provide would be stupid not to do. Installed a Faxon 16" pencil barrel today.

https://www.AR15.Com/media/mediaFiles/461668/faxon-resized-178224.JPG

https://www.AR15.Com/media/mediaFiles/461668/lightweight-no-optic-resized-178226.JPG

https://www.AR15.Com/media/mediaFiles/461668/Lightweight-optic-and-light-178227.JPG

https://www.AR15.Com/media/mediaFiles/461668/lightweight-loaded-with-sling-resized-178228.JPG
View Quote
Nice! I've got a similar build with the Faxon 16" at 4lbs, but with poly lower, same stock and MBUS sights. AP 9" rails now on AP regular upper, moving to DSG or Aero slick upper. But while saving a couple of ounces in the upper, plans are to go to 12" guntech rails to cover superlative arms gas block, and possibly mag tech lower. May put me in 4.5lb range w/o mag or optics, and thread protector on. BCG is Aim LW, and 1 oz buffer. Tuned nicely for ~5 types of ammo, but still quite reduced gas.
Link Posted: 4/2/2017 9:30:25 AM EDT
[#16]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By lightpaw:


Nice! I've got a similar build with the Faxon 16" at 4lbs, but with poly lower, same stock and MBUS sights. AP 9" rails now on AP regular upper, moving to DSG or Aero slick upper. But while saving a couple of ounces in the upper, plans are to go to 12" guntech rails to cover superlative arms gas block, and possibly mag tech lower. May put me in 4.5lb range w/o mag or optics, and thread protector on. BCG is Aim LW, and 1 oz buffer. Tuned nicely for ~5 types of ammo, but still quite reduced gas.
View Quote
Thanks, it was an interesting project.

4.5 is impressive (as are many of the guns in this thread). Mine's is probably now as light as it's going to get. Before I started I set down a few ground rules for myself related to reliability, durability and ease of use and I can't go any lighter without tossing some or all of them. The only thing left I'd really consider is a Balios Lite receiver set or similar, but that's a lot of coin for 3-4 ounces.
Link Posted: 4/4/2017 2:06:51 PM EDT
[#17]
Link Posted: 4/8/2017 11:46:44 AM EDT
[#18]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By JerDerv:
Still a work in progress... 4lbs 9.0oz
http://i.imgur.com/K46uuku.jpg
View Quote
Is that the BAD lightweight butt stock on a rifle length receiver extension? I was wondering how well it would hold on rifle length and how sturdy that setup would be, their website only states it's for carbine buffer tubes I believe.
Link Posted: 4/8/2017 11:56:32 AM EDT
[#19]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By jekbrown:
we only need about 10 more people to make the Faxon 10.3" pencil bbl a reality people. It's 15oz and will likely be the lightest practical bbl one could buy for an AR if it is produced. We need 50 pre-orders for Faxon to make it. Who's gonna step up so we can get this done?

http://www.ar15.com/forums/t_7_121/1597627_Faxon-10-3-Pencil-Barrels.html&page=1
View Quote
It will be nice to have a off the shelf option, but just FYI, I have a 10.5 inch 556 barrel I had turned down to as pencil as would be safe by a professional barrel specialist shop - 11.3 ounces.

Hasn't killed me yet.
Link Posted: 4/8/2017 10:41:15 PM EDT
[Last Edit: JerDerv] [#20]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Bobloblaw89:


Is that the BAD lightweight butt stock on a rifle length receiver extension? I was wondering how well it would hold on rifle length and how sturdy that setup would be, their website only states it's for carbine buffer tubes I believe.
View Quote
Its a $25 Chinese version of the BAD. Its not a fixed stock rifle extension. Its for a .308 rifle that uses a carbine length buffer and telescopic stocks. I cut alot of weight off of it then made a nylon spacer so that the carrier cycle distance is the same as a normal carbine extension. Its a short length of pull, but the steep angle of the ergo swift grip makes it doable for sure.

Sitting at 4lbs 9.9oz without mag.
Link Posted: 4/9/2017 3:28:08 AM EDT
[#21]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Nada-Nada:
It will be nice to have a off the shelf option, but just FYI, I have a 10.5 inch 556 barrel I had turned down to as pencil as would be safe by a professional barrel specialist shop - 11.3 ounces.

Hasn't killed me yet.
View Quote
OD specs? The faxon is a standard pencil, so it's 0.625. that leaves 0.2005" or so of bbl thickness. Not sure much less than that is safe, or even if it was, very rigid. You have piqued my curiosity though. Od?
Link Posted: 4/9/2017 9:26:14 AM EDT
[#22]
Standard pencil is .550", only the gas block is .625.
Link Posted: 4/9/2017 9:56:40 AM EDT
[Last Edit: Nada-Nada] [#23]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By jekbrown:


OD specs? The faxon is a standard pencil, so it's 0.625. that leaves 0.2005" or so of bbl thickness. Not sure much less than that is safe, or even if it was, very rigid. You have piqued my curiosity though. Od?
View Quote
Ironically, I pulled the hand guard, gas block, muzzle break, barrel nut just a few days ago to replace with a new AI barrel nut to squeeze some more grams out of it. Now I wish I would have taken pictures, measured diameters, lengths and weighed it to verify.

I will pull apart again if there is more info needed, not today though. One dispcrepency is it is actually a 10" barrel according to the worksheet.  Let me know if any questions. Note how I asked the shop to do the minimum on everything.

Here is what I have from when I put it on a diet:

Link Posted: 4/9/2017 11:07:09 AM EDT
[Last Edit: jekbrown] [#24]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By JoshAston:
Standard pencil is .550", only the gas block is .625.
View Quote


(forehead slap) duh. Even looking at a pic of one you can tell that the bbl is thinner than the gas block area, so I dunno what I was thinking. Didn't know 550 was the exact # though. Makes me even less interested in going thinner... With just .163" of wall thickness to work with.
Link Posted: 4/9/2017 11:16:12 AM EDT
[#25]
I've seen barrels as thin as .510 in front of the gas block.  The chamber area is where the most weight can be lost though.
Link Posted: 4/9/2017 12:06:57 PM EDT
[#26]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By JerDerv:


Its a $25 Chinese version of the BAD. Its not a fixed stock rifle extension. Its for a .308 rifle that uses a carbine length buffer and telescopic stocks. I cut alot of weight off of it then made a nylon spacer so that the carrier cycle distance is the same as a normal carbine extension. Its a short length of pull, but the steep angle of the ergo swift grip makes it doable for sure.

Sitting at 4lbs 9.9oz without mag.
http://i.imgur.com/akrIWij.jpg
View Quote
That's such a sexy stick.
Link Posted: 4/9/2017 12:35:40 PM EDT
[#27]
Could go lighter but feels good

5 lbs.15 oz.
Link Posted: 4/9/2017 11:22:56 PM EDT
[#28]
Here's my for-fun LW build.
11.5" BCM pencil barrel carbine is ~5.20 w/o the empty mag, and I have parts ordered to drop another 1/2 pound (~4.7 lbs).  I broke in the barrel today and it ran great like this with the full weight carriers and buffers.  

The Fastfire is a temporary optic.  Its going to get a Holosun RDS in a low DD CASV mount with will weigh slightly more but should hold up better to routine abuse.  I've broken fastfires before.

Current build is a BCM 11.5" EHL Barrel with an assortment of 2A, V7, and BCM goodies.

Next mods:
Minimalist stock -3.0 oz
Rubber city carrier -2.2 oz
Tubbs flatwire spring -0.64 oz
LW modified buffer -1.1 oz
Aluminum barrel nut -1.0 oz

When I'm done with it, it should be a soft shooter, under 6 lbs with a red dot, 5" can, and a flashlight.

Link Posted: 4/10/2017 9:51:47 AM EDT
[Last Edit: Curare] [#29]
5.31 pounds. Added 1/2 pound for RMR-->ACOG, Aero-->KAC TDP lower, BAD-->CAR stock/buffer tube, V2-->V3 rail, K to SL grip. A much better carbine for my needs.Attachment Attached File

Attachment Attached File

Attachment Attached File
Link Posted: 4/10/2017 11:12:58 AM EDT
[Last Edit: Nada-Nada] [#30]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By jekbrown:


OD specs? The faxon is a standard pencil, so it's 0.625. that leaves 0.2005" or so of bbl thickness. Not sure much less than that is safe, or even if it was, very rigid. You have piqued my curiosity though. Od?
View Quote
Corrections, barrel is measured at 10" - ATF method, rod down barrel till it hits bolt face.

Not sure how I got this wrong it's actually 383 grams, 13.5 ounces. I must have measured and recorded the post turn down weight wrong in my spreadsheet.

Barrel is .54 behind gas block, .51 in front of gas block.

.977 in front of barrel extension.

~.647 long before slope down, ~1" slope down.


So this is very close to the faxon 15 oz 10.3 barrel. This is .3 inches shorter, 1.5 ounces lighter.


Link Posted: 4/10/2017 11:36:15 AM EDT
[#31]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By JerDerv:


Its a $25 Chinese version of the BAD. Its not a fixed stock rifle extension. Its for a .308 rifle that uses a carbine length buffer and telescopic stocks. I cut alot of weight off of it then made a nylon spacer so that the carrier cycle distance is the same as a normal carbine extension. Its a short length of pull, but the steep angle of the ergo swift grip makes it doable for sure.

Sitting at 4lbs 9.9oz without mag.
http://i.imgur.com/akrIWij.jpg
View Quote
My google-fu isn't as strong as I thought... because I couldn't find a source for the cheapo Chinese BAD replica. Help a brother out with a link?

Thanks in advance. :)
Link Posted: 4/10/2017 2:21:53 PM EDT
[Last Edit: jekbrown] [#32]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Nada-Nada:Corrections, barrel is measured at 10" - ATF method, rod down barrel till it hits bolt face.

Not sure how I got this wrong it's actually 383 grams, 13.5 ounces. I must have measured and recorded the post turn down weight wrong in my spreadsheet.

Barrel is .54 behind gas block, .51 in front of gas block.

.977 in front of barrel extension.

~.647 long before slope down, ~1" slope down.


So this is very close to the faxon 15 oz 10.3 barrel. This is .3 inches shorter, 1.5 ounces lighter.


http://i.imgur.com/aeAJ6ek.jpg
View Quote
damn, that is still hella light. Unless someone started customizing the gas block journal (does it really need to be full diameter for it's full length?) or something along those lines that's about as light as you could get. Very nice.

I've wondered how feasible it would be with a gas block like this...



To leave the material that is contacted by the GB, but to machine out / reduce the amount of material on the journal where the GB isn't. Obviously the bbl would be married to the particular GB at that point, but bbls are a consumable item anyway, right? Definitely not practical for joe six pack for custom 1 off cost reasons, but for a joe sick pack that happened to be a machinist...
Link Posted: 4/10/2017 4:01:26 PM EDT
[#33]
If you wanted to get crazy, once you pinned your gas block position, you could eliminate the shoulder for it.

You could also reduce barrel in front of the gas block to the minor diameter of the threads, I would imagine.
Link Posted: 4/10/2017 4:36:46 PM EDT
[Last Edit: JerDerv] [#34]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By detroitmike:


My google-fu isn't as strong as I thought... because I couldn't find a source for the cheapo Chinese BAD replica. Help a brother out with a link?

Thanks in advance. :)
View Quote
buttstock weighs 2.6oz with the screw.

http://shop.ehobbyasia.com/5ku-lightweight-butt-stock-for-m4-receiver-stock-pipe.html#.WOvsqr1lDYU
Link Posted: 4/10/2017 6:53:05 PM EDT
[#35]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Nada-Nada:
If you wanted to get crazy, once you pinned your gas block position, you could eliminate the shoulder for it.

You could also reduce barrel in front of the gas block to the minor diameter of the threads, I would imagine.
View Quote
alternatively, for the gas block shoulder, if you really wanted some kind of shoulder, you could always keep a couple of picatinny-width sections of it at 12 & 6 o clock and machine off the rest. On the muzzle, if you sacrificed the ability to use a muzzle device, getting rid of the required 'shoulder' would certain dump some weight...
Link Posted: 4/21/2017 6:13:04 PM EDT
[#36]
Just finished up the weight loss program... 15 pounds 16 ounces exactly. 

Link Posted: 4/23/2017 12:29:54 AM EDT
[Last Edit: Nada-Nada] [#37]
Here is a Supressed Build. I don't think I have seen one yet here.

5.8lb 300blk 8.5" Supressed SBR
V7 2055 Chassis
Thunderbeast Arms Ultra 5 (Full disclosure, this is not the actual supressor - I am waiting on it - this is the same length/weight)

Items I could have removed for the purposes of this thread but did not:
RMR/Scalar Mount
9 oz Supressor
Surefire Scout with Remote Switch
QD Sling Mount

Items that could have been used to cut weight easily but were not to meet my build desires:
CAR Fiberlight Stock
Hogue Grip (Using BCM v3)
Lighter / Shorter Handguard
BAD Gas Block (Using SLR Adjustable)
V7 Charging Handle (Using Gas Blocking Ambi)
Pencil Profile Barrel (Using Heavy Profile Dimpled by Nefarious Arms)
Spikes Light FCG (Using an exceptionally heavy POF)
Light BCG (Using a JP Full Mass)

So while this rig could be much much lighter, by goals on this one was a light weight as practical but still have all the trimmings and not compromise parts. I have a 3.7lb build I posted previously, and that one will soon be closer to 3lb than 3.7 with some parts updates - but this was a different kind of build.




Link Posted: 4/23/2017 12:49:06 AM EDT
[#38]
Upper:
Balios lite upper
14.5” Faxon pencil barrel
V7 extended titanium flash hider
SLR adjustable titanium gas block
9” BCM KMR rail
V7 titanium KMR blocks
Stitchclimber aluminum KMR barrel nut
JP ultra low mass AL carrier
Mil spec bolt
Titanium firing pin
V7 Cam pin
V7 charging handle

Sights: Bobro low riders

weight: 39.60oz

Lower
Balios lite lower
V7 Aluminum take down pins
V7 ultra lite bolt catch
V7 ultra light mag catch
California bullet button :(
V7 trigger and hammer pins
Spikes tactical enhanced battle trigger
JP speed hammer (reduces weight and wear on aluminum BCG)
V7 aluminum safety with titanium core
V7 titanium buffer retainer
Tubbs flatware light weight buffer sing
Empty carbine buffer
Smoke composites closed stock
Smoke composites castle nut
New Houge pistol grip
Titanium grip screw

weight: 16.85oz or 480g

complete weight 3.53125 lbs


Link Posted: 4/23/2017 10:00:07 AM EDT
[#39]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Nada-Nada:
Here is a Supressed Build. I don't think I have seen one yet here.

5.8lb 300blk 8.5" Supressed SBR
V7 2055 Chassis
Thunderbeast Arms Ultra 5 (Full disclosure, this is not the actual supressor - I am waiting on it - this is the same length/weight)

Items I could have removed for the purposes of this thread but did not:
RMR/Scalar Mount
9 oz Supressor
Surefire Scout with Remote Switch
QD Sling Mount

Items that could have been used to cut weight easily but were not to meet my build desires:
CAR Fiberlight Stock
Hogue Grip (Using BCM v3)
Lighter / Shorter Handguard
BAD Gas Block (Using SLR Adjustable)
V7 Charging Handle (Using Gas Blocking Ambi)
Pencil Profile Barrel (Using Heavy Profile Dimpled by Nefarious Arms)
Spikes Light FCG (Using an exceptionally heavy POF)
Light BCG (Using a JP Full Mass)

So while this rig could be much much lighter, by goals on this one was a light weight as practical but still have all the trimmings and not compromise parts. I have a 3.7lb build I posted previously, and that one will soon be closer to 3lb than 3.7 with some parts updates - but this was a different kind of build.


http://i.imgur.com/ucFyb6T.jpg

http://i.imgur.com/BbgY9XM.jpg
View Quote
What rail is this?
Link Posted: 4/23/2017 10:17:11 AM EDT
[#40]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Watarski:


What rail is this?
View Quote
Odin Works
Link Posted: 4/23/2017 10:59:31 AM EDT
[#41]
Awesome build man!

Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Jwood562:
Upper:
Balios lite upper
14.5” Faxon pencil barrel
V7 extended titanium flash hider
SLR adjustable titanium gas block
9” BCM KMR rail
V7 titanium KMR blocks
Stitchclimber aluminum KMR barrel nut
JP ultra low mass AL carrier
Mil spec bolt
Titanium firing pin
V7 Cam pin
V7 charging handle

Sights: Bobro low riders

weight: 39.60oz

Lower
Balios lite lower
V7 Aluminum take down pins
V7 ultra lite bolt catch
V7 ultra light mag catch
California bullet button :(
V7 trigger and hammer pins
Spikes tactical enhanced battle trigger
JP speed hammer (reduces weight and wear on aluminum BCG)
V7 aluminum safety with titanium core
V7 titanium buffer retainer
Tubbs flatware light weight buffer sing
Empty carbine buffer
Smoke composites closed stock
Smoke composites castle nut
New Houge pistol grip
Titanium grip screw

weight: 16.85oz or 480g

complete weight 3.53125 lbs


http://i303.photobucket.com/albums/nn158/jwood562/IMG_8841_zpszgiwwatk.jpg
View Quote
Link Posted: 4/23/2017 11:56:04 AM EDT
[#42]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Watarski:


What rail is this?
View Quote
Odin Works O2 lite M Lok 12.5"

1.6 ID, just barely enough to fit the 1.5" OD Suppressor. In fact I sanded down the M Lok Nuts and for the light, switch and qd to give maximum clearance.

Anyone that has built a supressor under the guard type build knows the choices are few to get the right fit. And it's often difficult getting all the data.

In any event I considered many over time:

Lancer Carbon Fiber
Faxon Streamline Carbon
Samson Evolution Keymod

Odin Works is good so far, I wish it had attachment methods at the 45s though so I could put panels on or even the light, but will make it work for now.
Link Posted: 4/26/2017 10:17:08 PM EDT
[#43]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Jwood562:
Upper:
Balios lite upper
14.5” Faxon pencil barrel
V7 extended titanium flash hider
SLR adjustable titanium gas block
9” BCM KMR rail
V7 titanium KMR blocks
Stitchclimber aluminum KMR barrel nut
JP ultra low mass AL carrier
Mil spec bolt
Titanium firing pin
V7 Cam pin
V7 charging handle

Sights: Bobro low riders

weight: 39.60oz

Lower
Balios lite lower
V7 Aluminum take down pins
V7 ultra lite bolt catch
V7 ultra light mag catch
California bullet button :(
V7 trigger and hammer pins
Spikes tactical enhanced battle trigger
JP speed hammer (reduces weight and wear on aluminum BCG)
V7 aluminum safety with titanium core
V7 titanium buffer retainer
Tubbs flatware light weight buffer sing
Empty carbine buffer
Smoke composites closed stock
Smoke composites castle nut
New Houge pistol grip
Titanium grip screw

weight: 16.85oz or 480g

complete weight 3.53125 lbs


http://i303.photobucket.com/albums/nn158/jwood562/IMG_8841_zpszgiwwatk.jpg
View Quote
This may be my favorite build thus far... very good looking lightweight. Love the stock!
Link Posted: 5/2/2017 10:59:01 PM EDT
[#44]
4.980 pounds.
Mag Tech lower; Anderson lightweight upper; standard Anderson LRPK (hammer replaced with lighter Anderson stainless); Integrity Arms 16" light barrel; Bushmaster semi-auto BCG; DSA titanium gas block, flash suppressor, pistol grip screw, buffer retainer, and castle nut; V7 lightweight bolt release, lightweight TD and pivot pin set, and end plate; ALG Defense 12" V1 handguard and co-witness rail; Magpul MOE K grip; Magpul BMAS sights; standard mil-spec 4-position stock.


Link Posted: 5/23/2017 7:01:34 PM EDT
[#45]
She's under 6 with the A2 FH but I've designated it as my girlfriend's gun and she loves shooting suppressed so the beefy ASR FH is on in the pic.  I'm not taking it off just to take a pic for you losers. I wish they had a lighter option.

https://flic.kr/p/TPn3P9

Scoped setup, turns it into quite the versatile rifle and still quite light:

https://flic.kr/p/V6QyTR
Link Posted: 5/23/2017 8:51:35 PM EDT
[Last Edit: caser] [#46]
Attachment Attached File


Five pounds, on the cheap.

Faxon pencil 16" barrel, 3-prong FS turned down, BTE adj. gas block, guntec 10" octagonal rail, Aero no FA upper, AIM LW BCG, regular lower and internals, cut-down PSA A2 grip, regular buffer tube, spring, and buffer (gutted to 0.9 oz), MFT minimalist stock, holosun 403 sight, melonite gas tube, and mil spec CH.  

Could have saved a little weight and money with a fiberlite-type stock, but I wanted a non-slip buttplate.
Link Posted: 6/18/2017 7:11:11 PM EDT
[#47]


4.74 Lbs

BAD Upper, KMR-13 w/ V7 barrel nut and clamp block, Faxon 14.5 Slimline w/ FH, V7 Gas Block, V7 air door, Mod 5 CH, 2A Adj BCG, Bobro lowriders, Aimpoint T2 w/Scalarworks mount

BAD Lower, 2A Take Down Pins, Geiselle SD-C w/ SD-E spring and V7 pins, V7 3g Ambi Safety, V7 bolt catch, V7 Mag Release, Houge 15d grip w/ V7 screw, carbine buffer, Sprinco white, V7 endplate/castle nut, PWS mod 2 buffer tube, minimalist stock
Link Posted: 6/19/2017 9:16:17 AM EDT
[#48]
Link Posted: 6/19/2017 11:54:29 AM EDT
[#49]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SlappyT1:
http://i929.photobucket.com/albums/ad132/fbodyreefer/be162d4e-069a-46b2-9985-f9516f2a975d.jpg

4.74 Lbs

BAD Upper, KMR-13 w/ V7 barrel nut and clamp block, Faxon 14.5 Slimline w/ FH, V7 Gas Block, V7 air door, Mod 5 CH, 2A Adj BCG, Bobro lowriders, Aimpoint T2 w/Scalarworks mount

BAD Lower, 2A Take Down Pins, Geiselle SD-C w/ SD-E spring and V7 pins, V7 3g Ambi Safety, V7 bolt catch, V7 Mag Release, Houge 15d grip w/ V7 screw, carbine buffer, Sprinco white, V7 endplate/castle nut, PWS mod 2 buffer tube, minimalist stock
View Quote
Nice looking build! Impressive weight too, especially given both red dot and sights
Link Posted: 6/19/2017 12:12:28 PM EDT
[#50]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SlappyT1:
http://i929.photobucket.com/albums/ad132/fbodyreefer/be162d4e-069a-46b2-9985-f9516f2a975d.jpg

4.74 Lbs

BAD Upper, KMR-13 w/ V7 barrel nut and clamp block, Faxon 14.5 Slimline w/ FH, V7 Gas Block, V7 air door, Mod 5 CH, 2A Adj BCG, Bobro lowriders, Aimpoint T2 w/Scalarworks mount

BAD Lower, 2A Take Down Pins, Geiselle SD-C w/ SD-E spring and V7 pins, V7 3g Ambi Safety, V7 bolt catch, V7 Mag Release, Houge 15d grip w/ V7 screw, carbine buffer, Sprinco white, V7 endplate/castle nut, PWS mod 2 buffer tube, minimalist stock
View Quote
A+ work.
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