magazine loading animation

[Jabba_Wok]

I have been searching for a tutorial on this but alas have not found one. I have custom weapons in my HaloCE map. How do i get a magazine clip in my reload animations.

the model i want to try it on is a tommy gun.

EDIT:

Also when i assign new animations to my weapon, it performs them fine in first-person but when third person comes up you see the template reload animation. Where do i go to change the third-person animations?