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Compatible with Mil-Spec stocks, this kit contains all the necessary parts to mount a stock assembly onto your lower receiver. Six position buffer tube is machined from 7075 T6 aluminum to Mil-Spec dimensions with a Type III hardcoat anodized finish. Machined, high carbon steel castle nut is heat treated for extra strength and given a phosphate finish for durability. Kit also contains a standard 3 oz. carbine buffer and a carbine action spring made of high-tensile steel.
SPECS: Buffer Tube - 7075-T6 aluminum, hard coat anodized Type III finish. Carbine Buffer - 3 oz. (85g) wt. Castle Nut - Steel. Carbine Spring - High-tensile steel.