Factory metal alloy construction for a durable and realistic feel and weight Compatible with the ASG CZ Shadow 2 CO2 Blowback Airsoft Pistol Includes a high tension spring for a highly responsive and reliable BB feeding 25 round capacity compatible with 6mm BBs Reinforced polymer follower and base-plate Licensed CZ (Ceska Zbrojovka) magazine base-plate In the Box 1X Magazine Specifications: Brand ASGBuild Metal Alloy / PolymerMagazine Capacity 25 RoundsPropellant CO2Compatibility ASG CZ Shadow 2 CO2 Blowback Airsoft PistolColor Black California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov