Ballistic Advantage 10.5" 5.56 NATO Government Profile Carbine AR-15 Barrel

Ballistic Advantage 10.5" 5.56 Government Profile Carbine AR-15 Barrel, Modern Series w/ FSB, Circular Handguard Cap and Delta Ring Assembly This 10.5-inch 5.56 NATO barrel is built for compact AR-15 carbine setups that use a traditional front sight base and handguard configuration. Machined from 4150 Chrome Moly Vanadium steel with a QPQ corrosion-resistant finish, it combines proven materials with a carbine-length gas system, a 1:7 twist, and a pinned, F-marked front sight base. This version also includes a circular handguard cap and delta ring assembly, making it a strong fit for retro-inspired, duty-style, or compact fixed-sight builds. Aero notes that the front sight post itself is not included. Features Pinned F-marked front sight base Includes circular handguard cap and delta ring assembly HP and MPI tested QPQ corrosion-resistant barrel finish M4 barrel extension Button-rifled construction Designed for carbine-length AR-15 builds May or may not be Ballistic Advantage marked Specifications Caliber: 5.56 NATO Barrel Length: 10.5 in. Barrel Material: 4150 Chrome Moly Vanadium Gas System Length: Carbine Gas Block Journal: .750 in. Gas Port Size: .0785 in. Twist Rate: 1:7 Thread Pitch: 1/2x28 Weight: 34 oz Front Sight Post: Not included