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10/14/2006 1:37:39 PM EDT
What are the years and the rate of twist for the AR?
10/14/2006 3:24:34 PM EDT
[#1]
10/14/2006 4:25:21 PM EDT
[#2]

Quoted:
What are the years and the rate of twist for the AR?


Are you referring to the barrels used in M16's by the US military?
10/14/2006 5:02:38 PM EDT
[#3]
Both.
10/14/2006 9:04:31 PM EDT
[#4]
what do you mean by "years"? are you refering to thier gov adoption?

twists: 1-9, 1-8, 1-7, 1-12 are the more common ones, 1-14 was the origional

1-7 and 1-12 were the only ones adopted by the US mil (at least i believe thats right)
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