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SC, USA
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Posted: 8/31/2019 7:28:22 PM EST
[#1]
I say we just drop it. It's off topic and I doubt anyone wants forum moderators up our asses.
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SC, USA
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Posted: 8/31/2019 7:48:39 PM EST
[Last Edit: pscot468]
[#2]
So I found kevlar/aramid lowers
https://www.velocityfirearms.com/product/ar-15-polymer-lower-receiver/ I'm curious about the weight. It's from Vulcan so could be old stock. I wish blackthorne would make some of their uppers without the FA again :( Maybe if we all ask??? |
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Posted: 8/31/2019 7:59:20 PM EST
[#3]
Quote HistoryOriginally Posted By pscot468: So I found kevlar/aramid lowers
https://www.velocityfirearms.com/product/ar-15-polymer-lower-receiver/ I'm curious about the weight. It's from Vulcan so could be old stock. I wish blackthorne would make some of their uppers without the forward assist again :( Maybe if we all ask??? |
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SC, USA
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Posted: 8/31/2019 8:17:05 PM EST
[#4]
If it's lighter than a tegra I'll buy it. I'll email them and ask.
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IN, USA
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Posted: 9/1/2019 11:31:22 PM EST
[#5]
I have 2
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IN, USA
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Posted: 9/1/2019 11:40:05 PM EST
[#6]
Managed to really lighten up the hardware. Drilled flamed ti
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FL, USA
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Posted: 9/2/2019 2:13:30 PM EST
[Last Edit: larrys]
[#7]
Where are you guys sourcing Ti gas key screws? Ti cam pins?
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SC, USA
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Posted: 9/3/2019 7:49:09 AM EST
[#8]
Quote HistoryOriginally Posted By larrys:
Where are you guys sourcing Ti gas key screws? Ti cam pins? https://www.ti64.com/product-p/6917.htm I believe these should work for your gas key 😁 |
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FL, USA
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Posted: 9/3/2019 7:54:27 AM EST
[#9]
Quote HistoryOriginally Posted By pscot468: [email protected] email this guy to ask about titanium cam pins. https://www.ti64.com/product-p/6917.htm I believe these should work for your gas key 😁 |
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SC, USA
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Posted: 9/3/2019 8:50:53 AM EST
[#10]
Quote HistoryOriginally Posted By larrys: Thanks! |
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ND, USA
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Posted: 9/3/2019 5:30:14 PM EST
[#11]
https://venom-defense.com/ar-15-stripped-upper-receiver-7075-billet/
Venom Defense Uppers are advertised 5.4 oz Raw. $100 is not too bad for a 7075 billet upper. Not as great a value as an Aero APAR610401 but an ounce lighter and cooler looking. |
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Posted: 9/3/2019 5:57:28 PM EST
[#12]
Quote HistoryOriginally Posted By BKKJ:
https://venom-defense.com/ar-15-stripped-upper-receiver-7075-billet/ Venom Defense Uppers are advertised 5.4 oz Raw. $100 is not too bad for a 7075 billet upper. Not as great a value as an Aero APAR610401 but an ounce lighter and cooler looking. |
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SC, USA
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Posted: 9/3/2019 8:08:13 PM EST
[#13]
I like the look of it!
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OR, USA
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Posted: 9/3/2019 11:45:27 PM EST
[Last Edit: bunnybunny]
[#14]
Would a 11 inch rail on a 14.5 barrel look okay? It seems like a 13.5 rail would just be extra weight and money. I am doing a lightweight inspired build, so I'm using v7 receiver sets, 2099 HG/buffer tube, TI BCG, but I want a ADM criterion barrel which will be either 22 or 28 oz.
Should I run an H1 or H2 Buffer with V7 TI BCG, 14.5 barrel, and non-adjustable gas block... or will I need an adjustable gas block? |
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Posted: 9/4/2019 6:23:20 AM EST
[#15]
If you care about being light, you want a handguard length that is just long enough to cover/protect the gas tube. It'll look great.
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Posted: 9/4/2019 8:05:36 AM EST
[#16]
Quote HistoryOriginally Posted By bunnybunny:
Should I run an H1 or H2 Buffer with V7 TI BCG, 14.5 barrel, and non-adjustable gas block... or will I need an adjustable gas block? |
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Posted: 9/4/2019 5:25:46 PM EST
[#17]
here's my coverage of Smoke Composites carbon fiber forend
https://www.ammoland.com/2019/09/smoke-composites-carbon-fiber-forend-space-age-magic/ |
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FL, USA
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Posted: 9/4/2019 6:56:56 PM EST
[#18]
Quote HistoryOriginally Posted By withoutremorse42:
here's my coverage of Smoke Composites carbon fiber forend https://www.ammoland.com/2019/09/smoke-composites-carbon-fiber-forend-space-age-magic/ I’m most likely going to use their 10” HG and open stock on my build. There are lighter rails and stocks out there but I really like the finish of the Smoke. Has anyone seen the Battle Arms CF hand guards yet? Looks very similar to Smoke but lighter. I was wondering if Smoke makes it for them? |
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Posted: 9/4/2019 9:02:23 PM EST
[#19]
Quote HistoryOriginally Posted By bunnybunny: Would a 11 inch rail on a 14.5 barrel look okay? It seems like a 13.5 rail would just be extra weight and money. I am doing a lightweight inspired build, so I'm using v7 receiver sets, 2099 HG/buffer tube, TI BCG, but I want a ADM criterion barrel which will be either 22 or 28 oz.
Should I run an H1 or H2 Buffer with V7 TI BCG, 14.5 barrel, and non-adjustable gas block... or will I need an adjustable gas block? If you just care about the looks of a lightweight gun, you've spent an awful lot of cash to do that. Form follows function. You need enough handguard up front to keep you hand off the bbl and gas tube, and to mount your flashlight, IR laser, and bipod if you need such. If you're not going to fix bayonets & stab people w/ this rifle, you're likely fine w/ some exposed gas tube. |
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NV, USA
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Posted: 9/5/2019 1:35:48 AM EST
[#20]
It's not the length of the barrel, it is the length of the gas system that determines the length of the gas tube and gas block. Most people prefer a mid length gas system and most prefer about 10 inches of handguard to just cover the gas block.
If you use an adjustable gas block that adjusts from the side you might want a slightly shorter handguard, about 9 inches. But using a front adjustable gas block or an adjustable carrier key the 10 inch handguard works great. I have a couple of barrels that use a rifle length gas system plus 2 inches. I needed a 17 inch handguard so it looked good, one has an 18.25 inch handguard. |
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Posted: 9/5/2019 9:06:29 AM EST
[#21]
Quote HistoryOriginally Posted By bunnybunny:
Would a 11 inch rail on a 14.5 barrel look okay? It seems like a 13.5 rail would just be extra weight and money. I am doing a lightweight inspired build, so I'm using v7 receiver sets, 2099 HG/buffer tube, TI BCG, but I want a ADM criterion barrel which will be either 22 or 28 oz. Should I run an H1 or H2 Buffer with V7 TI BCG, 14.5 barrel, and non-adjustable gas block... or will I need an adjustable gas block? 
This is the V7 11.1" rail on a 14.5 p/w Faxon setup. For some reason this is the only picture I could find. I think it looks fine. I don't have any plans to run BUIS or a laser on it and my use of a light on this rifle is unlikely, so I don't really need the attachment methods out that far. I have 2 of the ADM Criterion barrels and they're awesome. You're gonna love them. |
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USA
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Posted: 9/5/2019 10:07:54 AM EST
[#22]
Quote HistoryOriginally Posted By larrys: Has anyone seen the Battle Arms CF hand guards yet? Looks very similar to Smoke but lighter. I was wondering if Smoke makes it for them? Wonder why the weight seems lower? |
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FL, USA
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Posted: 9/5/2019 1:27:15 PM EST
[Last Edit: larrys]
[#23]
Quote HistoryOriginally Posted By Nada-Nada: Even the barrel nut looks the same. I am guessing Smoke makes these. Wonder why the weight seems lower? |
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NV, USA
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Posted: 9/5/2019 4:49:02 PM EST
[Last Edit: breastroker]
[#24]
Latest CF buffer tube/stock weighs 1.016 ounces or 28.82 grams.
Horrible case of tolerances, every other buffer tube easily threads into the Tegra lower. Every castle nut I have easily threads onto the new CF buffer tube, but the new buffer tube will not thread into the Tegra lower! Last thing I want to do is have a too tight fit at the threads and set up a weak point. Photos coming, although I can't release the manufacturer name. 
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Posted: 9/5/2019 5:01:28 PM EST
[#25]
no pics or manufacturer info?
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FL, USA
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Posted: 9/5/2019 8:25:33 PM EST
[Last Edit: larrys]
[#26]
I finished milling off my Fostech uppers deflector, dust cover lugs and FA. Final weight is 3.63 oz.
It’s basically a slick side upper now. I still have some work to do on it, and will probably just give it a rattle can paint job. Hope it stays together....😬 |
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SC, USA
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Posted: 9/6/2019 10:56:47 AM EST
[#27]
For anyone working on a 308 build the sharps 308 xpb doesn't use a sr-25 spec firing pin. The tip is thinner and shorter but behind it it's been beefed up.
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Posted: 9/6/2019 4:42:08 PM EST
[#28]
Quote HistoryOriginally Posted By larrys:
I finished milling off my Fostech uppers deflector, dust cover lugs and FA. Final weight is 3.63 oz. It’s basically a slick side upper now. I still have some work to do on it, and will probably just give it a rattle can paint job. Hope it stays together....😬 Pics please! |
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NV, USA
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Posted: 9/6/2019 7:47:16 PM EST
[Last Edit: breastroker]
[#29]
Not finished with the upper as I plan on putting some cooling holes in the CF handguard. So loosely assembled including the 3 titanium button head screws to hold the handguard to the barrel nut. Lower @ 191 grams or 6.73733 ounces.
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NC, USA
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Posted: 9/6/2019 9:30:51 PM EST
[#30]
Stroker strikes again!
Spill it when you can, man! |
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WA, USA
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Posted: 9/7/2019 8:50:32 AM EST
[Last Edit: JerDerv]
[#31]
Stroker, congrats on finding more grams. I know you are enjoying the challenge, it’s obvious you have made a hobby out of firearm weight reduction. I’m curious if think your rifle is dependable? I can’t help but see that thing as purely a fun project meant for packing during camping trips or just showing off at the range. Not trying to step on toes, just wondering how you feel about your own creation.
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Posted: 9/7/2019 8:55:10 AM EST
[#32]
I'm not a CF expert, but I would think that based on its construction that it would always be more efficient to use continuous, but thinner wall, material than it would be to cut fibers for speed holes. Any materials science experts in the house for comment?
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Posted: 9/7/2019 9:14:32 AM EST
[#33]
Quote HistoryOriginally Posted By jekbrown:
I'm not a CF expert, but I would think that based on its construction that it would always be more efficient to use continuous, but thinner wall, material than it would be to cut fibers for speed holes. Any materials science experts in the house for comment? |
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NV, USA
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Posted: 9/7/2019 12:46:30 PM EST
[Last Edit: breastroker]
[#34]
The Ultra Lite weight AR15 is an exercise. It has been dependable, never a failure to fire, always ejects and always stays open on last round fired. Yes at the range when an veteran lifts it for the first time they have a huge smile, they could carry many extra full magazines with the weight savings. It has been fairly accurate, typically under 2 MOA at 100 yards.
I never abuse it, never fire rapid fire, usually fire less than a box of ammo at the range after major changes. I am 71 so I am not going to war with it. But if there was a zombie attack, I would prefer my 308 AR @ 3.9 pounds and for greater distance my AR6.5 Creedmoor @ 5.5 pounds. I just don't enjoy working on cars anymore, so I have to do something. I enjoy working on rifles and handguns. I worked over 4 hours on the threads of the new 1 ounce stock, slooooooly removing a tiny amount from the top of the threads until it finally fit. I didn't want to remove too much and ruin it, I spent $225 for that stock!!! I should mention you can NOT buy a thinner CF than what is used in my CF handguards. So thin you can pinch it a small amount. So I strengthen the ends with normal CF pieces glued into the ends. Stiffens it up real nice. |
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WA, USA
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Posted: 9/7/2019 2:52:43 PM EST
[Last Edit: JerDerv]
[#35]
Cool thanks for sharing!
A new stock option from guntec 5.4oz https://www.guntecusa.com/ar-15/stocks?product_id=1823 
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FL, USA
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Posted: 9/7/2019 3:34:23 PM EST
[Last Edit: larrys]
[#36]
This is a standard BAD bolt catch that I reshaped to save some weight. I have a Ti version on order that I want to do the same thing to. Very minor weight savings but every little bit helps.
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NV, USA
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Posted: 9/7/2019 3:44:21 PM EST
[Last Edit: breastroker]
[#37]
I have used Irfanview ( https://www.irfanview.com/) for 20 years now. Just click on resize and go about 40% and save pic with a different name. Then post with the smaller size and smaller byte amount.
Note: The manufacturer pot 4 rows of holes on the lower part of the stock, has a huge hole in the bottom of the tube so the Taccom split buffer holds the spring in. Then he opened up the pad of the stock, something I did to my original Incognito stock. I actually thought he would make holes all around the buffer tube, maybe it could be made lighter still? Say 0.80 ounces????????? Come a long way since my closed Smoke Composite stock at 4.5 ounces, then the open Smoke I got down to 3.5 ounces. Then the Incognito @ 1.60 ounces. I am still working on the upper, shaved off the polymer dust cover lugs and the deflector. Trying to get the barrel nut another tenth lighter. And of course the handguard holyer! Nothing is wasted though, I always use the older "heavier" parts in new builds. It also bothers me that the 3D titanium pistol grip is so long, could easily cut half an inch, but not sure how I can make the cut end smooth instead of irregular. And I plan to cut 1/4 inch off the titanium pistol grip screw. I cut one before just can't remember what lower it is in. Less than a gram but it all adds up don't it. |
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NH, USA
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Posted: 9/7/2019 4:59:46 PM EST
[#38]
Finally finished.
This is my less than 5 pound (4lb 14oz) scoped rifle. I started this project last November/December. It was a different rifle idea at the time. At the end of January I ordered 2 Palouse lite receivers from 2A Arms (still don't have them) but as a waiting gift they threw me a bone and that ended up being that Balios Lite receiver set in the image. That prompted the 2nd build. I put it together with some of the parts I was collecting for the other build and started putting ideas and parts together for this. I fired it a couple times while it was going through the build and change process. Pretty conventional. Faxon Pencil with the integrated MD, 2A Arms Balios lite receiver set and handguard, Leupold VX-3i 1.5-5X non illuminated scope, Aero SPR mount, Larue MBT-2S flat trigger, Wilson branded Smoke Composite stock, Colt spring, no name buffer, PSA Aluminum BCG, Radian Raptor LT and a bunch of lightweight doo dah for the rest of the parts. It will get some more range time Monday Or Tuesday. 
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FL, USA
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Posted: 9/7/2019 5:13:43 PM EST
[#39]
Quote HistoryOriginally Posted By subroc:
Finally finished. |
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FL, USA
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Posted: 9/7/2019 5:49:58 PM EST
[#40]
Quote HistoryOriginally Posted By PursuitSS: @larry’s Pics please! I had to fill a few voids with epoxy also. 
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Posted: 9/7/2019 6:33:57 PM EST
[Last Edit: jekbrown]
[#41]
That a Fostec mg alloy upper? Man, once I hace my new house/mill, all y'all are in trouble.
 
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OR, USA
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Posted: 9/7/2019 7:49:07 PM EST
[#42]
Quote HistoryOriginally Posted By backbencher: You've spent a bit of cash on a lightweight titanium bolt carrier, but you want to add weight in the buffer instead of dialing back the gas? If you just care about the looks of a lightweight gun, you've spent an awful lot of cash to do that. Form follows function. You need enough handguard up front to keep you hand off the bbl and gas tube, and to mount your flashlight, IR laser, and bipod if you need such. If you're not going to fix bayonets & stab people w/ this rifle, you're likely fine w/ some exposed gas tube. Quote HistoryOriginally Posted By backbencher: You've spent a bit of cash on a lightweight titanium bolt carrier, but you want to add weight in the buffer instead of dialing back the gas? If you just care about the looks of a lightweight gun, you've spent an awful lot of cash to do that. Form follows function. You need enough handguard up front to keep you hand off the bbl and gas tube, and to mount your flashlight, IR laser, and bipod if you need such. If you're not going to fix bayonets & stab people w/ this rifle, you're likely fine w/ some exposed gas tube. No flash lights or IR for me. Originally Posted By hfrog355: https://i.imgur.com/5Fa9Et3h.jpg This is the V7 11.1" rail on a 14.5 p/w Faxon setup. For some reason this is the only picture I could find. I think it looks fine. I don't have any plans to run BUIS or a laser on it and my use of a light on this rifle is unlikely, so I don't really need the attachment methods out that far. I have 2 of the ADM Criterion barrels and they're awesome. You're gonna love them. |
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Posted: 9/7/2019 10:12:15 PM EST
[#43]
Quote HistoryOriginally Posted By bunnybunny: Yeah I just wasn't sure which buffer I need with titanium BCG or if it was best to get an adjustable gas block with H1 or H2 and go from there. If TI and H1 go together well then I won't bother with an adjustable gas block. No flash lights or IR for me. |
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OR, USA
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Posted: 9/8/2019 3:16:40 AM EST
[Last Edit: bunnybunny]
[#44]
I am asking if an H1 Buffer and Titanium BCG work well without an adjustable gas block, or will I need an adjustable gas block running a TI BCG regardless of my buffer weight.
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Posted: 9/8/2019 7:30:14 AM EST
[#45]
Quote HistoryOriginally Posted By bunnybunny: I am asking if an H1 Buffer and Titanium BCG work well without an adjustable gas block, or will I need an adjustable gas block running a TI BCG regardless of my buffer weight. |
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SC, USA
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Posted: 9/8/2019 7:29:52 PM EST
[#46]
Quote HistoryOriginally Posted By bunnybunny:
I am asking if an H1 Buffer and Titanium BCG work well without an adjustable gas block, or will I need an adjustable gas block running a TI BCG regardless of my buffer weight. |
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NV, USA
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Posted: 9/9/2019 12:47:46 PM EST
[#47]
I recommend shooting your titanium BCG first using a standard carbine buffer, checking the ejection pattern. Once you have at least a box of ammo gone, if you are ejecting 3 to 5 PM, take the weights out of the buffer and check again.
If you are ejecting @ 1 PM to 2:30 PM them you might start adjusting your adjustable gas block or adjustable carrier key. My recent AR 6.5 Creedmoor build used an extra 0.750 titanium gas block and a Toolcraft titanium BCG with a 308 shorty buffer with zero weights inside. In the past I have used a "tuneable" Ti gas block. I drill the gas port hole inside the gas block (rear upper) so I can fit a set screw with a drilled hole. But for the 6.5 Creedmoor I took it to the range and it had near perfect 3 PM ejection with the 147 ELD ammo I was shooting. I was using a 3 chamber muzzle brake so recoil was mild. I have now tried 95 grain factory ammo and it still had 3 to 3:30 ejection, low recoil and great accuracy. So sometimes the God of AR's makes things come out. It is a PITA to drill those hard set screws with tiny drills! |
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Posted: 9/9/2019 5:30:04 PM EST
[#48]
It appears that Future Forged pulled their post in New AR Products that linked to where they claimed they had the lightest pistol grip with a back strap available at 1.2 ounces. They are still claiming that on their web site.
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LA, USA
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Posted: 9/9/2019 5:57:48 PM EST
[#49]
Quote HistoryOriginally Posted By PursuitSS:
It appears that Future Forged pulled their post in New AR Products that linked to where they claimed they had the lightest pistol grip with a back strap available at 1.2 ounces. They are still claiming that on their web site. |
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NV, USA
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Posted: 9/9/2019 6:38:19 PM EST
[Last Edit: breastroker]
[#50]
If we could only get Form 3D to shorten the grip, it sticks over a half inch below my fingers. So maybe down to 0.65 ounces?
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