M4/AR15 5.56/223 Lower Receiver Vise Block
? Allows safe mounting of the lower receiver into a vise
? Perfect for cleaning, service, or weapon assembly
? Fits into magazine housing from either the top or bottom
? Magazine catch securely locks the receiver to the block
? Will not distort or damage the receiver
? Solvent resistant polymer construction
M4/AR15 5.56/223 Upper Receiver Vise Block
? Allows safe clamping of upper receiver into a vise
? Perfect for repair, service, or weapon assembly
? Will not crush, distort, or mar the receiver
? Solvent resistant polymer construction
? Fits only mil-spec uppers