The Faxon Match Series 9" Gunner Profile .338 ARC Barrel delivers compact, match-grade performance for builders who need a short, rugged AR platform capable of stabilizing heavy .338 projectiles. Designed and manufactured 100% in-house at Faxon Firearms in Cincinnati, Ohio, this barrel pairs premium materials with precision manufacturing for reliable accuracy in a compact package.

Built from 416R stainless steel with a stout 1:5 twist for optimal stabilization of heavy .338 ARC bullets, each barrel is stress-relieved, air-gauge tested, MPI inspected and finished in Black Nitride for long service life. The Gunner Profile blends the strength of a Gov’t contour with the weight savings of a Pencil profile—improving balance and reducing fatigue when shouldering compact rifles or pistols.

For best overall reliability we recommend pairing this barrel with our optimized .338 ARC upper — Faxon .338 ARC optimized upper — which minimizes feed ramp work and improves magazine compatibility out of the box.

Key Benefits

• Compact 9" length: Ideal for short AR builds, truck guns, and maneuverable platforms.
• Gunner Profile: Better balance and reduced weight without sacrificing rigidity.
• 1:5 Twist Rate: Stabilizes heavy .338 ARC bullets for hunting and precision tactical use.
• 416R Stainless Steel: Match-grade material for consistent accuracy and longevity.
• Black Nitride Finish: Corrosion and wear resistant with low maintenance.
• Pistol-Length Gas System: Reliable cycling in short-barreled AR platforms.
• 5/8x24 Muzzle Threads: Compatible with .30/.338 suppressors and muzzle devices where rated.
• Individually MPI & Headspaced: Each barrel is inspected and headspaced with PTG gauges.

Specifications

Important Product Note

Some customers may need to adjust their upper receiver feed ramps to ensure reliable feeding, particularly when using Hornady Sub-X ammunition. For best results, Faxon recommends using Duramag magazines designed for 400 Legend. We also recommend pairing this barrel with our .338 ARC optimized upper to minimize fitment work. Always verify compatibility with your upper receiver and consult a qualified gunsmith if needed. Faxon Firearms is not responsible for issues resulting from improper installation or non-recommended component pairing.

Frequently Asked Questions

Overview: 9" Match Series Gunner Profile .338 ARC Barrel

The Faxon Match Series 9" .338 ARC Barrel is engineered for compact AR platforms that still require match-grade accuracy. With a hardened Black Nitride finish, button-rifled 1:5 twist, and the balanced Gunner profile, this barrel is ready for hunting, duty, or range use where space and weight matter.

Proudly manufactured in Cincinnati, Ohio, each Faxon Match barrel is stress-relieved, air-gauge tested, MPI inspected, and individually headspaced with PTG gauges for consistent performance shot after shot.