Works great, all the mags work fine with no leaks or issues, only used a handful of times. Shoots great and accurate. Two extended mags, one regular. *NO TRADES* Features** Dimensions: 230mm x 135mm Gas Type: 12g CO2 Cartridges (not included). Firing Mode: Semi Automatic, Safety System: Gas Blowback Hopup: Yes, Adjustable Package Includes: Gun, Magazine Muzzle Velocity: ~345 FPS (Measured w/ 0.20g BBs and CO2)