Up for sale is a great condition Tokyo Marui Mp5a5 that has had a full stock put on it and therefore becomes a A4. This is not the cheap version this is the $250 ones that are hard to get in the states http://www.redwolfairsoft.com/redwolf/airsoft/AEG_AEP_Tokyo_Marui_MP5_Series_Tokyo_Marui_NP5A5_HG.htm