Compact Matrix 1911 Dimensions: 180mm x 145mm Muzzle Velocity: 258~320 FPS (Measured w/ 0.20g BBs and Green Gas) Magazine: 18+1 rounds. Compatible with Tokyo Marui, KJW, ARMY and compatible magazines Gas Type: Green Gas, Red Gas, Propane Firing Mode: Semi Automatic, Safety System: Gas Blowback Hopup: Yes, Adjustable Package Includes: Gun, Magazine Features 100% Tokyo Marui compatible fully upgrade-able / customize-able Takes high pressure green gas and 134A gas 1:1 scale to the real steel 1911 compact hand gun / fits 1911 compact holsters Affordable spare magazines available and takes Tokyo Marui, KJW, Amy and compatible magazines Full metal slide and frame Realistic homage to the original Combat Master Functioning thumb safety Rear sight pushed forward an inch maintaining the Combat Master profile NO TRADES