The Ballistic Advantage Modern Series 5.56x45mm NATO Barrel (brand part number BABL556005M) is a 10.5-inch, Government profile barrel machined from 4150 Chrome Moly Vanadium steel and finished in a corrosion-resistant QPQ coating. Ballistic Advantage also QPQ-coats the M4 feed ramp extension for smoother, more reliable feeding, and the muzzle ships threaded, ready for a compensator or other muzzle device. Rifled at a 1:7 twist, it’s built for AR-15 platforms that need a compact, maneuverable barrel length.

Key Specifications

• Chambered in 5.56x45mm NATO.
• Measures 10.5 inches in length.
• Rifled at a 1:7 twist.
• Machined from 4150 Chrome Moly Vanadium steel.
• Finished in a corrosion-resistant QPQ coating.
• Features a QPQ-coated M4 feed ramp extension.
• Cut in Government profile.
• Ships threaded at the muzzle.
• Built for AR-15 platforms.

Frequently Asked Questions

What twist rate is this barrel rifled at? A 1:7 twist.

What profile is this barrel? Government profile.

Is the muzzle threaded? Yes.

Buy the Ballistic Advantage Modern Series 10.5-inch Government Barrel

Ballistic Advantage built this barrel for pistol-length AR builders who want proven 4150 CMV construction and a QPQ finish in a compact, maneuverable package. Shop more Ballistic Advantage parts or browse our full AR barrels selection to complete your build. Order it from our Lubbock, Texas gun shop for fast, reliable shipping.