The Ballistic Advantage AR-15 Modern Series 10.3" Carbine Barrel Gov't is a compact, purpose-built barrel designed to bring dependable accuracy and smooth handling to AR-15 builds. Precision machined from 4150 chrome-moly-vanadium steel, it features a government contour that balances rigidity with manageable weight, a durable black surface treatment, and a nickel-boron coated barrel extension with M4 feed ramps for consistent feeding and extraction. Chambered in 5.56 NATO with a 1:7 twist and 1/2-28 threaded muzzle, it is ready for a wide range of muzzle devices.

This 10.3" carbine-length barrel is well suited for short, maneuverable AR-15 configurations where reliability and repeatable accuracy are priorities. The carbine gas system supports smooth cycling, while the Distinct Rigid Profile geometry helps control barrel whip during extended strings of fire. Ideal for range use, training, and general-purpose builds, it integrates cleanly with standard AR-15 components and reflects Ballistic Advantage’s focus on careful machining and thoughtful barrel design.

• Manufacturer: Ballistic Advantage
• Model: AR-15 Modern Series 10.3" Carbine Barrel Gov't
• Caliber: 5.56 mm NATO
• Barrel Length: 10.3"
• Gas System Length: Carbine
• Contour: Government
• Muzzle Threads: 1/2-28