Faxon Firearms Duty Complete Upper 300 Blackout 10.5" Gunner Barrel 9" M-LOK

Faxon Firearms Duty Complete Upper Features The Faxon Firearms Duty complete upper is chambered in .300 Blackout and built around a gunner profile barrel machined from chrome moly vanadium steel a material chosen for its strength and resistance to heat under sustained use. The 10.5 barrel length keeps the overall package compact for pistol and SBR builds while the 1:8 twist rate stabilizes both light fast supersonic loads and heavy subsonic .300 Blackout ammunition. The aluminum upper receiver keeps overall weight down without sacrificing the rigidity needed for consistent accuracy. This barrel length and twist combination makes the Duty upper a versatile option across a range of .300 Blackout shooting styles. A 9 M-LOK handguard wraps the barrel giving builders room to mount lights lasers slings and other accessories exactly where needed without extra adapters. The black finished receiver gives the upper a clean factory-correct appearance that matches most AR-15 lower receivers. Because this upper arrives complete it drops onto a compatible AR-15 lower without additional machining or fitting. For builders assembling a .300 Blackout pistol or SBR who want a dependable ready-to-run upper the Faxon Firearms Duty is a straightforward way to get there. Faxon Firearms Duty Complete Upper Specifications Manufacturer: Faxon Firearms Model: Duty Complete Upper Caliber: .300 Blackout Barrel Length: 10.5 Barrel Description: Gunner Profile Barrel Material: Chrome Moly Vanadium Twist Rate: 1:8 Handguard: 9 M-LOK Receiver Material: Aluminum Receiver Finish: Black Available At: ARMSAGORA