This block allows the user to work on and install parts to AR-15 / M16 lower receivers. The vise block is locked into the users vise. The block slips into the rifle's magazine well and is held in place by the rifle's magazine catch. Constructed of black injection molded polymer.

The Delta style mount allows the use of AR-16 / M16 rifle sights while a scope, red dot or holographic sight is mounted to the rifle carry handle. The mount accepts standard Weaver STANAG scope rings. Manufactured from hard anodized aircraft grade aluminum. All hardware included. No permanent modification required.