HI I am brand new. when I received my ca mp5 full stock there was np owners manuel for it. I would like to know how to get the full stock off for replacement with new one or colapsable one. Also how to open the battery compartment open. The comes with a 3 lug barrel piece and the long flash hider, I wanted to know about what adapter I need to put a Socom style supressor on. Thanks and If anyone can help where to get these parts from Thanks the novice Ken
