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Page AR-15 » Rifles, Uppers, Lowers, Barrels, and more
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Archived [ARCHIVED THREAD] - 223 or 5.56
Posted: 6/16/2009 3:34:09 PM EDT
I bought a used barrel that is only marked 1/9 chromed and I was wandering if it's ok to shoot 5.56 in it. I was told that it was from J&T Distributing and I have only had Bushmaster & RRA barrels before, As yall know Bushy is marked 5.56 NATO 1/9, and I don't remember how the RRA in marked but it was good for 5.56 also. ANYONE HAVE ANY INFO ???

Alton

Link Posted: 6/16/2009 4:06:16 PM EDT
[#1]
All JT (DoubleStar) barrels are 5.56.
Archived [ARCHIVED THREAD] - 223 or 5.56
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