AR15 7.5″ 5.56×45 Twist-1-9″  Fit-Standard AR-15 Receiver Muzzle Break -1/2″-28 Thread, Gas Port Drilled 0.075″ Pistol Length gas system M4 Feed Ramp Made from bar stock Chrome molly stress relieved. Nitride Finish

7.5" M4 1/9 Twist Nitride Barrel

$88.00Price