ROCK RIVER ARMS AR15/M4/M16 Upper Receiver Vise Block Gunsmith Clamp

Protect your AR Upper Receiver with the Vise Block Clamp from ROCK RIVER ARMS®. This polymer block allows you to safely secure an AR upper receiver in a vise with twisting or crushing the receiver or damaging its finish. Optimized for AR15 / M4 / M16 forged Upper Receivers. Especially helpful for torquing a barrel on or removing a stufforn barrel nut, this specialized clamp also proves helpful for simple gun maintenance and cleaning. Specifications: Premium Gunsmith Tool Made of a high pressure solvent resistant polymerCompatibility: AR15 / M4 / M16 / forged Mil-Spec Upper ReceiversMADE IN THE USA