wg model-4601 combat191 co2 non-blowback/black by wg(Airsoft Gun) CO2 Powered, Metal slide & ABS Frame, Adjustable Hop-Up Adjustable Rear Sight, Patented CO2 Cartridge, Magazine Functional Safety Rail System, Realistic Heavy Weight, 11 x 8 x 2 (in) Non-Blowback, 16 RD Magazine, 1:1 Scale, 2 lbs FPS: 500 (With .12g BBs), Mag Capacity: 16 RDs