Faxon Firearms presents the 8.6BLK 12" Big Gunner, a testament to precision engineering and superior craftsmanship. This barrel is machined from 4150 CMV steel, stress-relieved, air-gauge tested, and finished with a Salt Bath Nitride for durability and performance. Ideal for AR-10 builds, it features a 1:3 twist rate, M18x1.5 muzzle thread, and a pistol-length gas system, making it perfect for range time and hunting. Faxon Firearms is renowned for innovation and quality in firearm components.

Key Features:
- Manufacturer: Faxon Firearms
- Model: Big Gunner
- Caliber: 8.6 Blackout
- Barrel Length: 12"
- Finish Color: Nitride
- Barrel Gas System: Pistol
- Muzzle Thread: M18x1.5
- Barrel Material: 4150 CMV
- Rifling: Button
- Barrel Twist: 1:3
- Inside Finish: Salt Bath Nitride
- Outside Finish: Salt Bath Nitride
- Magnetic Particle Inspected: Yes
- 11-degree Target Crown: Yes