Birchwood Casey Vise Block Features The Birchwood Casey Vise Block is molded from polymer specifically to interface with an AR-15 lower receiver cradling it securely when clamped into a bench vise. The polymer construction protects the receiver s anodized or coated finish from the metal jaws of a standard vise preventing scratches or gouges that could otherwise occur during repeated maintenance sessions. Holding the lower steady and immobile makes tasks like installing pins trigger groups or other small components significantly easier and safer than trying to brace the receiver by hand. Its gray color is practical and utilitarian matching the tool s purpose as a dedicated workshop accessory rather than a display piece. At a compact 1.2 inches the vise block takes up minimal space in a toolbox or range bag making it easy to bring along whenever gunsmithing work might come up. Despite its small size it provides the stability needed for careful controlled work on a rifle s lower receiver. This kind of dedicated tool reduces the risk of damaging a firearm during routine maintenance compared to improvised clamping methods. The Birchwood Casey Vise Block is for sale at GrabAGun for anyone performing regular maintenance or builds on the AR-15 platform. Birchwood Casey Vise Block Specifications Manufacturer: Birchwood Casey Model: Vise Block Type: Vise Accessory Color: Gray Material: Polymer Length: 1.2 Compatible Hosts: AR-15 Available At: GrabAGun