Faxon Firearms Upper Receiver 338 ARC Complete Upper Features The Faxon Firearms Upper Receiver 338 ARC Complete Upper is machined from 7075-T6 forged aluminum a material chosen for its strength to weight ratio and its ability to hold tight tolerances under repeated cycling. The Type III hard coat anodized black finish adds a durable protective layer that resists wear corrosion and the scrapes of daily use keeping the receiver looking and functioning like new for years. Chambered specifically for the 338 ARC cartridge this receiver is engineered to work with compatible 338 ARC barrels on a standard AR-15 lower giving builders a straightforward path to a new caliber. At just 0.53 lbs the receiver keeps the overall rifle weight manageable which matters to shooters who carry their rifles for hours in the field or on the range. Faxon Firearms ships this upper receiver as a complete unit with a completion kit saving builders the time and hassle of sourcing small parts separately. The receiver fits standard AR-15 pattern lowers making it a straightforward drop in option for anyone already running an AR-15 platform. Faxon Firearms built its reputation on precision machined barrels and receivers and this upper carries that same attention to fit and finish. For sale at GrabAGun the Faxon Firearms Upper Receiver 338 ARC Complete Upper is a solid choice for AR-15 owners looking to build out a dedicated 338 ARC upper. Faxon Firearms Upper Receiver 338 ARC Complete Upper Specifications Manufacturer: Faxon Firearms Model: Upper Receiver 338 ARC Complete Upper Caliber: .338 ARC Compatible Hosts: AR-15 Receiver Material: 7075-T6 Forged Aluminum Color: Black Weight: 0.53 lbs Made In: USA Available At: GrabAGun