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White Oak Armament 18" SPR barrel. 223/556 Wylde chamber with a rifle length 0.750 gas block requirement. 1:8 twist. It's used with roughly 400 rounds through it. I shoot more 77s than I thought so I ended up buying another 1:7 twist.
White Oak Armament 18" SPR barrel. 223/556 Wylde chamber with a rifle length 0.750 gas block requirement. 1:8 twist. It's used with roughly 400 rounds through it. I shoot more 77s than I thought so I ended up buying another 1:7 twist.
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