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  1. H

    Proof Research carbon fiber bbl for a heavy use AR10?

    Hey guys, I'm trying to build a general purpose DPMS AR10, and in order to keep the weight down I'm really considering a Proof Research bbl. What I'm dreaming of is a lightweight barrel that's accurate for long range shooting, but could also tolerate the kind of punishing firing schedule...
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    Gunsmithing Speccing AR10 barrel: Gain twist, taper?

    I'm ordering an AR10 barrel, the blank which I'd like to get from Bartlein. It'll be a 16.5" .308 Winchester bbl. I'd read that the top competition shooters are starting to use gain twist, and I'd like to look into it if I can get more info. I'd like to go all the way up to using 208 gr...