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Sambini

Bear Creek Arsenal Barrels

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Same here, on 6.5 Grendel.  It runs well enough - no experience on the .308 barrels.

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Great bang for your buck.  I have 2 in 308. They are a Armalite gas system. 

I'd like to try a 6.5 creedmore 24" barrel they have in my current build but might just stick with 308.

I can shoot 1 MOA at 100yrds like they claim except I'm using cheap NATO 147gr stuff out of a 16" cut to 14.5". Very pleased for what it is.

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had issues with an 8" 300 blk, but before i tried to alter it, it was spot on. pre built upper* shot clays at 100 yds. easy! Id bet it will run if you build it and follow your tourqe specs.

Edited by sketch
i need to edit this for punkequality.

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I put one in my PA10. Very pleased with it.  Great machine work. Like Chuck said,  they use Armalite carbine length gas system. At least my 18" does. Shoots good enough for me. 

20181112_125817.thumb.jpg.dc74f3f1ec5aaf19f3c48f9e472127ba.jpg20181111_090547.thumb.jpg.3b90315c0ae66d8cac89c26f5d34adbb.jpg

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I got one of the BCA 16" mid length 416 r stainless heavy barrels, it shoot good for me, I really haven't got the time to play around with any high performance ammo for it yet, did try some SP 150 & 180 grain. Seems to like the steel case ammo the most, shoots the 140 grain wolf Sp real well & the 150 grain Tulammo 308 win well also. Using a Helius Tactical 1776 muzzle brake, works better than some of the other options I've tried, still jumps around a bit, thought about messing around with the buffer & spring to help smooth it out more, just not sure what spring & buffer combo to go with yet go several options. 

 

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7 hours ago, Lr-308FUn said:

 thought about messing around with the buffer & spring to help smooth it out more, just not sure what spring & buffer combo to go with yet go several options.

List the specs on your current recoil system, and we can get to the bottom of this pretty quick.   :thumbup:

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Buffer is the Aero M5 buffer & spring kit, this one/https://www.primaryarms.com/APRH100158

 

Have this spring on it's way https://www.primaryarms.com/sprinco-ar10-orange-extra-power-carbine-buffer-spring to try with the standard buffer that came with the kit. 

barrel has the Armalite carbine gas tube installed, barrel is a mid-length gas? .750" Aero Precision gas block. 

Muzzle device is the Helius Tactical 1776 brake using a jam nut for install. 

BCG is this https://www.acmemachine.com/components/bolt-carrier-groups/acme-ar-308-ar-10-mil-spec-7-62-complete-bolt-carrier-group-nickel-boron/

with a this gas ring installed https://www.primaryarms.com/jp-enterprises-enhanced-one-piece-gas-ring-308

Got these standard gas rings on the way/ https://www.midwayusa.com/product/624588/dpms-bolt-gas-ring-lr-308

I am not liking the Jp cause they don't hold the weight of the BCG, Jp stated that it won't stand up on this gas ring when installed. I have read the best one's to get are these DPMS rings got a set of 3 coming. I am not sure if that shorter gas tube could have been causing the gas rings to get beat up quicker or higher heat. I did notice that the gas is different with the new Armalite gas tube, not as much coming back, I do notice in my videos that the BCG is coming back real hard, the ejection pattern though is right at 3'O"clock so I'm hoping that I can keep that with the new spring. Might have to get a H or H1 style shortie buffer. 

Thanks for the help. Any other spec needed let me know. Some pics of the last target & the new items installed recently. 

Buffer kit.PNG

Barrel.PNG

Helius.PNG

20190727_003106.jpg

20190727_003120.jpg

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Kinda late to the party but I have a BCA 308 barrel, it seems to be capable of 1MOA or maybe even better (have not tried the good bullets yet). I'm very sure that there is nobody offering a better barrel cheaper ;-).

 

Bill

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