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Page AR-15 » Rifles, Uppers, Lowers, Barrels, and more
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Archived [ARCHIVED THREAD] - Twist rate on 10.5" barrel
Posted: 10/25/2016 11:26:50 AM EDT
I see both 1/7 and 1/8 twist rates on 10.5" barrels.  Which make more sense for this shorter barrel length?  I know that bullet choice is a factor.

Link Posted: 10/25/2016 1:20:27 PM EDT
[#1]
I think either is just fine from a 10.5" barrel chambered in 5.56. You may get a bit more velocity with a 1:8 twist, but the 1:7 twist may stabilize the heavier bullets better.

Link Posted: 10/25/2016 8:20:02 PM EDT
[#2]
Either or

Archived [ARCHIVED THREAD] - Twist rate on 10.5" barrel
Page AR-15 » Rifles, Uppers, Lowers, Barrels, and more
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