This is the Matrix Rapid Deployment MEU Carbine kit. Based on a WE 1911, this kit lets run any accessories you could want. Perfect little setup for cqb. It has a madbull 235mm pistol barrel, so with some tuning and a bucking upgrade, this thing could be worthy for outdoor play. Otherwise it's stock Includes 4 mags, one has a slight leak Price is shipped and no trading.