Latest product feature by Destockage Games is about the CO2 Blowback Glock 17 Gen 4 pistol by VFC and they have it available at their store... "This Co2 blowback airsoft replica is made of metal and sturdy polymer. It has an optimal grip thanks to its two interchangeable stock inserts, an improved grip texture and an enlarged magazine ejection button. Semi-automatic, this PA has an adjustable hop-up, a double safety (located on the trigger tail) and official markings."