The Diamondback Firearms 5.56 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.
Specifications for Diamondback Barrels AR-15 5.56 NATO Barrel:
Barrel Coating: Salt Bath Nitride
Barrel Contour: Medium
Barrel Length: 16
Barrel Material: 4150 Chrome Moly Steel
Brand: Diamondback Firearms
Caliber Gauge: 5.56 NATO
Feed Ramps: M4
Gas Seat Diameter: .750
Gas System Length: Mid-Length
Platform: AR-15
Thread Pattern: 1/2 X 28
Twist Rate: 1:8