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I've been thinking about a 6.8spc AR. I've noticed some rifles are 1in10 twist and some are 1in11. Any of you super smarties out there have an opinion on what is better?
This is a discussion on 6.8 spc 1 in 10 or 1 in 11? within the Defensive Rifles & Shotgun Discussion forums, part of the Related Topics category; I've been thinking about a 6.8spc AR. I've noticed some rifles are 1in10 twist and some are 1in11. Any of you super smarties out there ...
I've been thinking about a 6.8spc AR. I've noticed some rifles are 1in10 twist and some are 1in11. Any of you super smarties out there have an opinion on what is better?
"I don't know who invented Yoga and I don't know who invented pants. But I do know that I'd like to shake the hand of the man who put those two ideas together."
Not a super-smartie, but...
In practical terms, there's probably not a whole lot of difference. Heavier(= longer) bullets require a faster twist rate to stabilize them better. So if you think you're going to be shooting just the lightweight varmint bullets, bias your decision to the 1/11 twist. If you will be shooting mainly the heavier bullets (110-130 gr), then lean toward the 1/10.
Smitty
NRA Endowment Member
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"People willing to trade their freedom for temporary security deserve neither and will lose both." — Benjamin Franklin
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1:11 twist reduces pressure when paired with the SPCII chamber. Check over on 68forums, everyone there prefers 1:11.
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