GLOCK G17 GEN 5 CO2 AIRSOFT MAGGLOCK G17 GEN 5 CO2 MAG Get the spare airsoft mag you need with the CO2 powered GLOCK 17 in Gen 5 trim. Just like the GLOCK 17 Gen 5 factory magazine, this spare takes a single 12 gram CO2 cartridge and 14 rounds of 6mm airsoft BBs. This magazine has a follower lock down tab to make loading easier. Officially Licensed Product of GLOCK. Features: 14 Round Capacity Fits the GLOCK 17 Gen 5 CO2 Airsoft Pistol Holds One 12 gram CO2 Cartridge Follower Hold