A.P.S. (Hakkotsu) CO2 Charger for APM50 
CNC Metal Made 
Co2 refill Adapter for M40A3 Cartridge Eject Airsoft Rifle (Black) 
This charger is designed for charing Co2 into A.P.S. 6mm Rechargeable Cartridge.(It comes with open/close valve) 
The charger takes 2 x 12g disposal Co2 canister which is approx up to 20 charges of 6mm cartridge 
Takes 2 x 12g Disposal Co2 Cartridge 

Length: 157mm