1-5.56/223 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
2-5.56/223 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