DescriptionSpare green gas magazine for the fully licensed B&T; USW blowback pistol (item 50239). Holds 24 rounds and is powered by green gas.The magazine is backwards compatible with all our other metal-frame full blowback CZ airsoft pistols (CZ 75, CZ SP-01 Shadow, CZ ACCU Shadow, CZ Shadow 2).Tested with and performs best with Ultrair Power Gas from ActionSportGames.SpecificationMag. Capacity: 24 Rounds