ok guys I have a Colt HBAR post ban. Is there any way to easily determine whether I have a 1 in 7 or 1 in 9 twist or do I have to just count?
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ok guys I have a Colt HBAR post ban. Is there any way to easily determine whether I have a 1 in 7 or 1 in 9 twist or do I have to just count?
Should be stamped on the barrel. Most HBAR's are 1/9 to stabilize most bullets if I remember right.