The Glock 17 Gen4 is a CO₂ airgun, which comes with the original markings and a magazine for 4.5 mm BBs. It also has interchangeable backstraps, which allow it to be customized for any user.
Umarex Glock 17 Gen4 CO2 Blowback Air Pistol .177 BB Gun – Canada Shooting Supply
Hobby Air_Rifles and Match Air Rifles Wholesale Trader Syndicate Innovations International Limited, Ghaziabad
Umarex - Glock 17 Airgun Pistol - 4,5 mm BB / Diabolo - CO2 - 5.8365 best price, check availability, buy online with
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UMAREX Launches the Licensed Airsoft and BB Gun Replicas of GLOCK 42, 19 and 17 Pistols -The Firearm Blog
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Umarex GLOCK 17 Gen 4 Full Size Blowback CO2 Powered Airgun by KWC (Package: 2 Mag Bundle), MORE, Air Gun / Pellet Gun, Air Pistols / Hand Guns - Airsoft Superstore
Umarex Glock 17 Gen4 Kit, CO2 Blowback BB Pistol
Pistola Airgun Glock G17 Gen4 Co2 Blowback Metal