Heavy-duty blocks allow you to firmly clamp AR-15/M16 receiver halves in a vise without risk of crushing, twisting, or otherwise distorting them when applying vise pressure or torquing the barrel nut. Keeps your rifle secure for safe, effective cleaning, assembly, and repair.
Type: Upper Receiver Vise Block
Color: Black
Applicable Firearms: AR-15, M4 & M16
Material: Polymer