Also i would like to give credit to Mr.Russ, as he created them and taught me how to make them, and he is also giving me alot of help on my cannons, and giving me alot of ideas, and suggestions.
Side view of gun:

Un-Cocked:

Cocked:

And heres the Video:
and i forgot t mention i forgot to take 20-30 of thoe BB's out of the box, because before i recored i fire it a few times, my bad should of mentioned that in the video, i didnt realise until i walked over there with the cam.
And constructive criticism and suggestions are welcome, thanks in advance.