Need a Sentry Here! (3DS Max)

Omny87

Okay, I'm trying to make a reskin for the sentry gun from TF2 in 3DS max. I've got an SMD compiler that works great for bringing the character models into TF2, but I can't seem to find the files for the sentry gun, or any other weapons for that matter. Can anyone out there help me get a sentry into 3DS Max?

Noors

the sentry model is located under models>buildables
abd the weapons under models>weapons