The Faxon Combat Series 10.5" Gunner 300 BLK offers the ideal mix of durability, balance, and precision for short-barreled 300 Blackout builds. The Gunner profile combines the strength of a Government contour with the lightweight handling of a Pencil barrel, keeping your rifle balanced for dynamic shooting or hunting.

Built from 4150 CMV steel with a chrome-lined bore and phosphate exterior finish, this barrel is engineered for rugged reliability. Every Combat barrel is stress relieved, air-gauge tested, magnetic particle inspected, and headspace verified using precision PTG gauges.

Key Benefits

• Gunner Profile: Combines Government durability with Pencil weight for exceptional balance.
• Pistol-Length Gas: Reliable function with both subsonic and supersonic 300 BLK loads.
• Chrome-Lined Bore: Long-lasting corrosion resistance and easier cleaning.
• Phosphate Exterior: Classic Mil-Spec appearance and robust surface protection.
• Rigorous QC: Stress relieved, air-gauge tested, MPI, and headspace checked.

Specifications

Frequently Asked Questions

Overview: 10.5" Combat Series Gunner 300 Blackout Barrel

The Faxon Combat Series 10.5" Gunner 300 BLK delivers a battle-proven combination of strength, longevity, and accuracy in a short, balanced package. With its chrome-lined bore and phosphate exterior, this barrel is built to handle heavy use while maintaining accuracy and ease of cleaning.

Designed and manufactured 100% in-house in Cincinnati, Ohio, Faxon’s Combat barrels undergo stress relief, air-gauge testing, magnetic particle inspection, and headspace verification to ensure dependable performance for duty, defense, and sport.