Wheeler 156945 Armorer's Bench Block Gray Plastic Rifle AR Platform

Tired of trying to secure your AR parts while installing a pin, detent or spring? The AR-15 Bench Block is the answer! Specifically designed for AR-15 assembly and disassembly, the AR-15 Bench Block is the perfect tool. It securely holds the upper receiver, lower receiver, front sight and charging handle during assembly, disassembly and maintenance.