CBC Industries 5.56 NATO AR-15 Straight Flute Barrel, 1/2×28, 1-8, Carbine Length

Chambered in 5.56 NATO for full compatibility with surplus MIL-SPEC ammunition, this straight flute barrel is constructed of 4150 chrome moly steel and finished in nitride for excellent surface protection. The 1:8 twist rate is great for stabilizing most bullet weights from 55 grains up to 77 grains and the carbine-length gas system is optimal for reliability and reduced recoil. Specifications for CBC Industries 5.56 NATO AR-15 Straight Flute Barrel, 1/2×28, 1-8, Carbine Length: Manufacturer: CBC Industries Color: Black Finish: Black Nitride Cartridge: 5.56x45mm NATO Barrel Length: 16 in Barrel Profile: Heavy Gas System Length: Carbine Length Threads per Inch: 1/2×28 Barrel Twist Rate: 1-8 Barrel Material: 4150 Chrome Moly Vanadium Flutes: Straight Gun Make: AR Platform Gun Model: AR-15 Weight: 2.45 lb Condition: New Package Contents: CBC Industries 5.56 NATO AR-15 Straight Flute Barrel, 1/2×28, 1-8, Carbine Length