Well, th first picture is the end result
So, we begin with putting the mag out, and open the mag up. Make sure all the parts are out of it!
Then, use as a basic colour black, to het good effects you want.
When you did that spray it with white.
Do this with both sides, the front and the back.
When you have done this, start putting it all in one piece again, and everything ( I was surprised) still just works well.
I hope you liked this instructable, I know it was pretty short, but I hope it helped!