GLOCK 17 Gen. 3 Blowback .177 Caliber BB Gun Air PistolThe first pistol brought to the market by Gaston Glock was the venerable G17. Over the years some revisions have been made, with the Gen 3 showing up along the way and hanging in there as a favorite to this day. Our GLOCK G17 GEN 3 is the blowback BB repeater you have been waiting for. Powered by easy and affordable 12 gram CO2, the G17 GEN 3 is just right for holster drills, target practice, or backyard plinking. Officially licensed product of GLOCK