Springfield Armory XDM CO2 Airsoft Pistol Magazine, 25 rounds, fits 4.5 & 3.8 models

Springfield Armory XDM 3.8″ & 4.5″ CO2 Airsoft Pistol Magazine
25 round capacity Compatible with both compact (3.8″) and full-sized (4.5″) XDM Airsoft Pistols Houses one 12-gram CO2 cartridge Note: Using this CO2 magazine instead of the Green Gas magazine in your Springfield Armory XDM Airsoft Pistol will increase the velocity to approximately: 350 fps with .2g BBs (3.8″) and 370 fps with .2g BBs (4.5″).