Matrix Full Metal 360 round "Flash Mag" for M4 M16 Series Airsoft AEGSteel shellA few cord pulls is all it takes to fully wind the magazineColor:BlackSay goodbye to the constant winding of your Hi-Cap magazine! The Flash Mag is ready to go with a single pull of the winding cord. With high quality Full Metal construction and an authentic realistic look, the new Flash Mag is the way to go!The Matrix full metal flashmag series comes from the top flashmag OEM factory for leading brands such as Classic Army, S&T;, with a 360~370 capacity (400 round capacity after cord is pulled once). Every pull ready the magazine for about 40~50 rounds. Four pull fully winds the magazine for 200+ rounds of bb feeding.Compatibility:For DBOY, A&K;, BOYI, VFC, CYMA, G&G;, G&P;, Matrix, Tokyo Marui, Classic Army, ICS, JG, ECHO1 and other compatible M4 / M16 / SCAR / FN2000 Series Airsoft AEGsCapacity:360+15 roundsMaterial:Steel, Polymer