Invisible Kit Model

I've recently added a new kit but took the weapon from a team that wasn't on the map.
Here's what I did. I took a M16A1 from a U.S soldier in La Drang and attempted to add it to a crewman kit on the Muttrah city map. The only thing that didn't work was the model showing up. Animations, inventory icon, fire sounds, everything worked fine.

I know I need to do something else to ensure that is in my game. Can someone please help?

I've looked on the PR forums for something similar but never seemed to find a solution.

Best regards,

Billwa