Umarex Glock 17 Gen3 CO2 BB Magazine, .177 cal, 18rd

Umarex Glock 17 CO2 BB .177 Air Pistol Magazine  For Umarex Glock 17 Gen3 (Item#: UX-2255208) Blowback Version 18 round capacity   Have a spare mag loaded and ready to go for your Umarex Glock 17 Gen3 BB pistol.  This magazine stores a single 12 gram CO2 cartridge and holds 18, .177 caliber BBs.   Specs Caliber .177" (4.5mm) Weight 0.4 lbs