Selling my primary arms mp5 adapter to help buy a fusion engine. It's already installed onto an aw custom hi capa magazine and works with any hi capa (jag arms, aw, TM, WE) The stick mags are brand new, ones been used in one game the other is brand new in the pkg. The hi capa mag new is $30 Both mags new are $20 a peice And the adapter is $85 Asking $120 firm, it's only been used once and it's a full kit for $30 less than retail.