Cyma AKM butt plate
 

This thing is a pain in the ass. Every time I have to change the battery I have too unscrew two holes, change it, and then screw them back into place.

Was wondering if something like this...

http://shop.ehobbyasia.com/element-r...ock-black.html

Would solve the problem. Looks like you just push it into place. I don't know if I'm on the right track for finding a new way to do it, looked around this is the closest thing that looks like it would work.