Silver 21 Foot TASER® X26 Expired CartridgeSilver 21 Foot TASER X26 Expired Cartridge Package Contents: 1 TASER Silver Door Live Compressed Air Cartridge with 21 Foot Range Past the Expiration Date. Live cartridges past the expiration date provide a realistic training experience and are therefore ideal for certification and recertification at TASER training class. For use with the AIR TASER, M26, M26C, M18, M18L, X26, X26C, X26E and X26P Advanced TASER weapons. Cartridges are self contained