Ballistic Advantage 10.5 in Modern Series Gov’t Barrel 5.56 NATO

The Ballistic Advantage Modern Series 10.5 in Government-profile barrel is chambered for .223 REM/5.56 NATO and built for compact AR-15 carbine and pistol-style platforms. It is machined from 4150 Chrome Moly Vanadium steel and finished with a QPQ corrosion-resistant coating. The barrel features a 1:7 rate of twist, a carbine-length gas system, and 1/2-28 muzzle threads for common muzzle devices. All NFA/ATF rules apply; possession of this barrel together with a non-NFA lower receiver is prohibited except when installed on a pistol configuration firearm.

Key Specifications

• The barrel length is 10.5 in.
• Chamber/cartridge is .223 REM/5.56 NATO.
• The contour/profile is Government.
• The barrel is machined from 4150 Chrome Moly Vanadium (CrMoV) steel.
• The surface finish is QPQ.
• The rate of twist is 1:7.
• The gas system length is Carbine.
• The muzzle threads are 1/2-28.
• The barrel weight is 19 oz.
• Notable barrel features include Threaded.

Designed for compact builds where maneuverability and reliable function matter, this Modern Series Government-profile barrel combines durable CrMoV construction with a corrosion-resistant QPQ finish. Its 1:7 twist and Government contour provide versatility across a range of 5.56-compatible projectiles, while the carbine gas system and standard 1/2-28 threads make it straightforward to integrate into professional-grade AR-15 platforms. The result is a dependable, well-engineered barrel suited to builders who prioritize durability and consistency in a short-barrel package.