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by grim-bob
Tue Aug 25, 2020 7:35 pm
Forum: Rifles & Shotguns
Topic: New AR build keyholing
Replies: 12
Views: 25683

Re: New AR build keyholing

What is the twist rate? Most should stabilize 55gr but not always. Certainly worth checking the crown after pulling the flash hider and maybe shooting without it to remove one more variable. DPMS barrels should be perfectly fine. They aren't bottom bin or anything....

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