Promag AR-15 .308 Lower Receiver Magazine Well Vise Block

The ProMag Armorer's block locks into the lower receiver of an AR-10 style rifle and can be clamped into a vise for gunsmithing. The block is black and constructed from injection molded polymer. Double sided design fits ArmaLite, DPMS, Remington, SR-25, and many other variants. Features Heavy duty block clamps into the magazine well of the lower receiver Helps to prevent damage or movement during repair, assembly and cleaning Double sided design fits Armalite, DPMS, Remington, SR-25, and many other AR type rifles Made of injection molded black polymer