Franklin Armory XO-26 11.5" 5.56 NATO Carbine Length Barrel Black

Franklin Armory XO-26 11.5 inch 5.56 NATO Carbine Length Barrel Black. 5 inch Pistol Barrel. 5.56 NATO. 1x7 Twist for 5.56 NATO. 4140 Steel. Salt Bath Nitride Chamber Bore and Finish. Carbine Length Gas System. A4 Barrel Extension 8620 Steel. Index Pin Installed TDC. Threaded Muzzle Crown. Threaded 1/2-28 for 5.56 NATO. Labeled Between Gas Block and Muzzle with Caliber and Twist. Weight: 1.690 lbs. Specifications for Franklin Armory XO-26 11.5 inch 5.56 NATO Carbine Length Barrel: Manufacturer: Franklin Armory Color: Black Finish: Salt Bath Nitride Caliber: 5.56x45mm NATO Barrel Length: 11.5 in Gas System Length: Carbine Length Barrel Twist Rate: 1-7 Additional Features: 1/2in-28 Thread .750in Gas Block Package Contents: Franklin Armory XO-26 11.5 inch 5.56 NATO Carbine Length Barrel Franklin Armory 5136: XO-26 11.5 inch 5.56 NATO Carbine Length Barrel Black