GLOCK 17, Gen 5, Semi-automatic, Striker Fired, Full Size, 9MM, 4.49, Olive Drab Green, Interchangeable, 17 Rounds, 3 Magazines, Front Serrations, Fixed Sights, Polymer, Skydas Cerakote PA175S204N-OD The new frame design of the GLOCK 17 Gen5 removed the finger grooves for increased versatility but still allows easy customization of its grip by using different back straps.