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.
- 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