I bought this for my hi capa and recently got rid of the gun in a traid. So I have this lying around. It's a we tech 51rd extended mag It's brand new had about 8 rounds put through it to ensure it doesn't leak. Has brand new prommy purple gasket. Right now it is green gas tapped. It also has the original fill valve. The green gas can adapter is from evike it is new aswell. It comes with 3 or 4 other various taps for other mags. (2 fit we tech) 1 fits TM Will come with stock gasket aswell as the can of gas. Asking $50 for everything buyer pays shipping. Hit me with offers you might have something I want. You can also check my page. Thanks