The Davidson Defense 11.5 inch AR-15 barrel is chambered in 5.56 NATO and constructed from 4140 GBQ steel with a nitride finish. This medium profile barrel features a 1-in-7 right-hand twist rate and a mid-length gas system. The muzzle end is threaded at 1-2x28 TPI, compatible with standard AR-15 muzzle devices.
The 11.5 inch barrel is constructed from 4140 GBQ steel, a recognized material in AR-15 barrel production. A nitride finish covers the barrel exterior. Nitride is a widely used barrel finish within the AR-15 platform and provides a hard surface treatment across the barrel profile.
The medium profile represents a middle-ground barrel contour within the AR-15 barrel format. The 1-in-7 right-hand twist rate is a standard twist specification within the 5.56 NATO AR-15 platform and is compatible with a wide range of 5.56 NATO projectile weights. This twist rate is commonly paired with mid-length configurations on the AR-15 platform.
The muzzle end of this barrel is threaded at 1-2x28 TPI. This is the standard thread pitch for 5.56 NATO and 223 Remington AR-15 barrels and is compatible with the broad range of AR-15 muzzle devices available in this thread specification.
Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws.
Barrel Name: 11.5" AR15 Platform Barrel
Caliber: 5.56 NATO
Barrel Length: 11.5 inches
Barrel Profile: Medium
Barrel Twist Rate: 1:7 Right Hand (RH)
Barrel Gas System Length: Mid Length
Barrel Material: 4140 GBQ
Barrel Finish: Nitride
Thread Pitch: 1/2x28
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