Gray Ops CNC AW Magazine Base Pad Black. NO MORE tattered tape on your mags to denote calibers or match it to your rifle. DISACLAIMER: These are not extensions and will not add capacity to your magazines. Features of Gray Ops CNC AW Magazine Base Pad ONLY compatible with Gray OPS AW Magazine Package Contents: Gray Ops CNC AW Magazine Base Pad Gray Ops CNC GO23-03: AW Magazine Base Pad Black