Faxon Firearms Duty Complete Upper Features The Faxon Firearms Duty Complete Upper centers on a 16 inch Gunner profile barrel chambered in 7.62x39 a profile designed to balance weight savings with the strength needed to handle this higher-pressure AK-pattern cartridge reliably on an AR-15 platform. Faxon s Duty series barrels are built to deliver dependable function across a wide range of ammunition which matters when running a cartridge not originally designed for the AR platform. Pairing a purpose-built barrel profile with a complete upper assembly removes much of the guesswork that comes with building a 7.62x39 AR from individual components. This upper gives builders a dependable foundation chambered for a cartridge valued for its affordability and widespread availability. The upper ships complete with a 15 inch M-LOK handguard giving shooters generous rail space to mount lights foregrips bipods and other accessories exactly where they want them. M-LOK slots run along the handguard without needing separate rail sections bolted on keeping the profile slim while still offering mounting versatility. Faxon Firearms built the Duty line for shooters who want reliable hard-use components without the premium price tag of their top-tier offerings. This Faxon Duty Complete Upper is for AR-15 builders for sale at GrabAGun who want a 7.62x39 chambered upper ready to drop onto a compatible lower receiver. Faxon Firearms Duty Complete Upper Specifications Manufacturer: Faxon Firearms Model: Duty Complete Upper Caliber: 7.62x39 Barrel Length: 16 Barrel Description: Gunner Profile Handguard: 15 M-LOK Available At: GrabAGun