M4/AR15 5.56/223 Lower Receiver Mag Vise Block Armorer's Gunsmith Bench Tool

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 Use this to securely hold your firearm in place while cleaning, servicing, or assembling your firearm. This vise block fits in the the magwell of your rifle, and is able to be clamped into a vise in order to hold it in place. The block has a cutout to engage the mag catch, assuring you that your firearm will remain mounted to the block securely. Features: Constructed of Light Weight Glass Filled Polymer Black Finish Solid Construction High Strength And Light Weight Won't mar or scratch your firearm