NcSTAR Ultimate Tool Kit, For AR15, Includes Upper Receiver Block, AR15 Barrel Wrench, AR Lower Receiver Wrench, Front Sight Adjustment Tool, Handguard Removal Tool, Magazine Well Receiver Vice Block, (3) Steel Punches, Mallet, Hex Driver, and Nylon Brush VTARUTK The AR15 Ultimate Tool Kit includes a dozen AR tools" many with innovative multi-functions" all in a convenient plastic hard carry case for assembling" servicing" and general maintenance of the AR15 firearm platform.