These butt-stock cartridge carriers are made to be attached to rifle or shotgun stocks. Select "Rifle Cartridge Carrier" or "Shotshell Carrier". Constructed of 1000 denier nylon with elastic loops for cartridges Buttstock ammo carrier attaches to the stock with hook and loop for easy on/off Rifle ammo holder carries nine rifle cartridges Shotgun shell carrier holds five 12/20 gauge shotgun shells. Shotgun and rifle cartridge holder available in black