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Old June 4, 2014, 09:23 AM   #4
jimbob86
Junior member
 
Join Date: October 4, 2007
Location: All the way to NEBRASKA
Posts: 8,722
Quote:
The only advantage of a faster twist is to stabilize heavier bullets. Otherwise, it's a disadvantage.
The disadvantage being what?

Increased pressures/lower velocity limit?

Overstabilizing?

If you push light, fragile bullets too fast in a tight twist barrel, they'll fly apart from excessive rotational forces ..... but with a carbine length AR, how likely is that?
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