The Faxon Firearms AR15 Barrel (brand part no. 15A38P10NGQ) is a 10.5-inch .300 AAC Blackout barrel cut in Faxon’s Gunner profile and finished in black matte, built for AR-15 pistol and SBR-configured uppers. Faxon Firearms threads this barrel for a muzzle device, runs a 1:8-inch twist for the full range of .300 Blackout bullet weights, and machines it with a carbine-length gas port, a 0.750 gas block journal, and an 11-degree target crown for accuracy. At roughly 1.1 pounds, it is a lightweight, direct option for finishing a compact .300 Blackout build.

Key Specifications

• Chambered in .300 AAC Blackout.
• 10.5-inch barrel length.
• 1:8-inch twist rate for the full range of .300 Blackout bullet weights.
• Cut in Faxon’s Gunner profile.
• Weighs approximately 1.1 pounds.
• Finished in black matte.
• Threaded muzzle for a compatible muzzle device.
• Runs a carbine-length gas port with a 0.750 gas block journal.
• 11-degree target crown for accuracy.
• Built for the AR-15 platform.

Frequently Asked Questions

What caliber is this barrel chambered in? .300 AAC Blackout.

What gas system does it use? A carbine-length gas port with a 0.750 gas block journal.

Is the muzzle threaded? Yes, it is threaded for a compatible muzzle device.

Buy the Faxon Firearms 10.5-Inch AR15 Barrel

Finish out a lightweight, compact .300 Blackout build with a target-crowned Gunner profile barrel. Order it from our AR15 barrels selection at our Lubbock, Texas gun shop for fast, direct shipping.