Elite Force Licensed Gen 4 Glock 17 CO2 Blowback Airsoft Pistol by VFCSpecifications Brand: Elite Force Operation: CO2 Blowback Material: Metal Slide Polymer Frame Firing Modes: Semi Automatic, Safety Muzzle Velocity: 290 320 FPS (w 0. 20g BBs) Hop Up: Yes Propellant: CO2 Length: ~7. 5" Color: Black Package Includes: 1X Pistol, 1X Magazine Features Serrated Glock designed slide assists in racking the pistol Adjustable hop up system increases decreases BB spin Fully functional trigger safety design prevents misfires