The FMK AR-1 stripped lower receiver is constructed from a high quality composite polymer. It is compatible with all standard mil-spec parts. Start your gun build today for the best price online from GrabAGun!
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AR-1 Features Manufactured in the USA of a high impact proprietary composite polymer. This state of the art polymer allows for superior strength, unmatched durability and is extremely lightweight. The Ar1 eXtreme is by far the strongest composite polymer lower on the market today. The key to any good project is the foundation and on an AR15, that is the lower receiver. The Ar1 eXtreme comes with a lifetime warranty; and of course, it’s Proudly American. AR-1 Specifications Manufacturer: FMK Firearms Manufacturer Part #: FMKGAR1ETB Model: AR-1 Action: Semi-automatic Type: Stripped Lower Receiver Caliber: 223 Remington Caliber: 556NATO Color: Blue