This Jefferson Armory 5.56 chambered 16″ barrel is made from 4150 chrome moly vanadium steel with black nitride finish and has a 1/2×28 threaded muzzle. This barrel is M4 profile, and has a .750″ gas block journal, carbine length gas system, M4 feed ramps, and has a 1:7 twist rate, made under a highly-maintained quality control process assuring optimum performance and durability.
Jefferson Armory 16″ M4 Profile Carb Barrel 5.56 NATO 1:7 Twist
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$199.00