Want to know what's inside. Well it's really not that hard to take it apart clean it and then put it back together. Just make sure you are aware there are some springs and BB's inside. So take it apart inside a bag or something until you see how it works.
Note the black part should be facing down not up.
This is the 2 bb' that will come flying out if you don't have your hand over this area. Putting it back in is easy as you can press these down slightly to get them started.
Ever wondered why your headlight knob is always a green color no matter what color bulb you use? Well here is why.