AR15 M4  16″ 5.56×45. Available with a 1/7 or 1/8 or 1/9 Twist.  Fit-Standard AR-15 Receiver Muzzle Break -1/2″-28 Thread, Gas Port Drilled 0.073″ Carbine Length gas system, M4 Feed Ramp Made from bar stock Chrome molly stress relieved. Manganese phosphate.

16" M4 Nitride Barrel

$98.00Price