Umarex is proud to bring airgun shooters the latest in officially licensed GLOCK airgun performance the GLOCK G17 Gen 5 CO2 powered blowback action .177 caliber pellet pistol. Powered by affordable and reliable 12 gram CO2 this pellet pistol uses a unique belt fed magazine that allows for blowback action. Featuring GLOCK grip texturing and all other GEN 5 slide and frame characteristics this pellet pistol offers airgun fans the latest in airgun and GLOCK design and function.