Aim Sports ATARAK Armorer's Kit Black Anodized AR15/M4/M16 Metal Handle

The Aim Sports kit comes with everything you need to assemble a lower receiver and install the barrel on a stripped upper for both M4 and M16 pattern rifles. Contains- AR lower receiver vice block, AR upper receiver vice block, AR15/M4/M16 Armorer's wrench and A1 & A2 front sight tool.