Brownells Ar-15/M16 A2 Rifle Buffer Tube Assembly

Convenient kit contains all the components needed to mount the buttstock of your choice on an AR-15 rifle. Perfect for stock conversions such as altering a rifle to accept a fixed rifle stock. All parts are manufactured from the highest quality materials and held to strict dimensional tolerances for proper fit and function. A2 rifle kit adds to A1 kit contents the correct buttstock spacer required for A2 rifle stocks. Mfg: Brownells SPECS: Receiver Extension & A2 Stock Spacer Aluminum, anodized, matte black. Recoil Buffer Aluminum and steel. Spring, Lock Ring, Receiver Plate Steel. Kits fit standard, mil-spec AR-15/M16/M4 lower receiver and clones. Installation instructions included.