Faxon Firearms Duty Series 16 Inch 450 Bushmaster Carbine Length 4150 Nitride AR-15 Barrel

Faxon Firearms 16" Gunner Big Bore .450 Bushmaster barrel. Manufactured 100% in-house from certified 4150 Chrome Moly Vanadium (CMV) steel, fully stress relieved, air-gauge tested, salt-bath nitride finished inside and out, and finished with a polished 11° target crown. The Gunner Big Bore profile blends durability and maneuverability to move balance rearward for reduced shooter fatigue—ideal for heavy-caliber AR builds and hunting applications. Each barrel is button-rifled, magnetic particle inspected, and individually headspace-checked with precision hardened gauges.

Features

• Manufactured cradle-to-grave in-house for strict quality control
• Fully stress relieved and air-gauge tested for consistent accuracy
• Button rifled and salt-bath nitride finished for durability and corrosion resistance
• Gunner Big Bore profile for improved balance and reduced shooter fatigue
• Individually headspace-checked with precision hardened gauges

Package Contents

• Faxon Firearms 16" Gunner Big Bore .450 Bushmaster Barrel

Warning

WARNING: California's Proposition 65 — this product can expose you to chemicals known to the State of California to cause cancer or reproductive harm. Check local regulations before purchase.