Diamondback Barrels AR-15 5.56 NATO Barrel Carbine 10in Barrel 1-8 Twist Rate 1/2x28 TPI

Diamondback Barrels AR-15 5.56 NATO Barrel Carbine 10in Barrel 1-8 Twist Rate 1/2x28 TPI. 56 NATO AR-15 Carbine Barrel is machined in house on state-of-the-art CNC machines and are thoroughly inspected at multiple stages of the build process to ensure quality. This barrel is machined from 4150 Chrome Moly Vanadium Steel and is 5R rifled to ensure consistent accuracy and has a 1:8 twist rate. The carbine length gas system is optimal for reliability with a short 5.56 barrel. It is threaded 1/2x28 and features an 11 degree target crown. The final process is a salt bath Nitride finish for an added layer of protection. Package Contents: Diamondback Barrels AR-15 5.56 NATO Barrel Diamondback Barrels 556C10M50B8: AR-15 5.56 NATO Barrel Carbine 10in Barrel 1-8 Twist Rate 1/2x28 TPI