sorry SOLD OUT. Special order requests only. Delay 3 weeks and price to be confirmed. this is an AR "lower" vice block which clamps into a workbench vise, then locks into the mag well of your rifle just like a magazine would to make working on your gun easier and more stable ensuring you don't scratch or damage the gun when working or cleaning it. Constructed of black injection molded polymer. A must have tool for gunsmiths or home do it yourselfers. lower and upper vice blocks can be sent together for the one courier cost.