16 ARM-4 Barrel 1in9 pre-ban ( M-4 Profile

16 ARM-4 Barrel 1x9 5.56 NATO ( M-4 Profile )

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16" ARM-4 Govt Profile Barrel 1x9 Twist. 5.56 NATO chamber.

1x9 twist rate chambered in 5.56 NATO, chrome moly match barrel, parkerized finish. Pre-ban comes  with threaded muzzle end. 

1x9 twist rate chambered in 5.56 NATO, chrome moly match barrel, parkerized finish. Pre-ban comes  with threaded muzzle end.