Faxon Duty Series 16in Gunner Barrel 1:8 .300 AAC Blackout

The Faxon Firearms Duty Series 16″ Gunner contour barrel is a purpose-built replacement barrel for AR-15 platforms chambered in .300 AAC Blackout. It features a 1:8 rate of twist and a Nitride finish for wear resistance and reliable service life. The Gunner profile blends government and pencil contours to balance durability with reduced weight for improved handling during extended shooting, training, or hunting. The barrel is finished with an 11-degree target crown and is threaded for muzzle devices.

Key Specifications

• Chambered in .300 AAC Blackout.
• Barrel length is 16 inches.
• Rate of twist is 1:8.
• Contour is the Gunner profile.
• Finished in Nitride for surface hardness and corrosion resistance.
• Muzzle is threaded with 5/8-24 threads.
• Gas system uses a Carbine length gas port.
• Listed weight is 1.48 lbs.
• Includes a .750 inch gas block size and an 11-degree target crown.
• Designed to fit AR-15 platforms.

Reliable, accurate, and engineered for practical use, the Duty Series 16″ Gunner barrel provides a balanced blend of durability and reduced weight for shooters who demand consistent performance from an AR-15 in .300 AAC Blackout. Its threaded muzzle, carbine gas system, and Nitride finish make it a versatile upgrade for training, field work, or precision-oriented builds where consistent handling and dependable operation matter.