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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6mm arc gas gun bolt lock back
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<blockquote data-quote="TRG65" data-source="post: 2987719" data-attributes="member: 103919"><p>I had a lot of problems with my 6 ARC. To get things to consistently run, I went to a full mass carrier, H2 buffer and Tubbs recoil spring, but I wouldn't get lock back. I switched uppers to a Seekins because I found I was getting a .3 mil shift between barricade and bipod shooting and then the same load would lock back. I had run the prior upper/lower combination as a 223 and never had a problem with lock back.</p></blockquote><p></p>
[QUOTE="TRG65, post: 2987719, member: 103919"] I had a lot of problems with my 6 ARC. To get things to consistently run, I went to a full mass carrier, H2 buffer and Tubbs recoil spring, but I wouldn't get lock back. I switched uppers to a Seekins because I found I was getting a .3 mil shift between barricade and bipod shooting and then the same load would lock back. I had run the prior upper/lower combination as a 223 and never had a problem with lock back. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6mm arc gas gun bolt lock back
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