Weapon Respawn?

[Shin]

Is there a way to make a single weapon not respawn?

I'm trying to insert a vehical into boarding action over another thing (not shooting it out of my gun), but I can't replace anything but weapons.

So, is there a way to do it?

Also, how come whenever I try to swap scenery models with a vehical or a vehical's model, it gets screwed up?

Help would be greatly appreciated.