All could be customized to fit the specific AI_bot's size. Would take a little work but rigging or animation needed.
For muzzle flash would have to change some settings in the Future teks gunspec.txt file.
Projectiles coming from the AI would have to be set up like the RPG weapon. It is a flak weapon and therefore has the model and the setup for doing the projectile.
What the .dbo file is, if it is there is the programs compile of the mesh for faster loading. These are supposed to be updated when you load a map file. but in development with rapid changes and testing under a minute, these might not get updated properly. So when doing this, as a old habit from classic and reloaded, If they are present, just delete them and reload the map.
Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz, 2400 Mhz, 4 Core(s), 4 Logical Processor(s), 8gb RAM, Nvidia gtx660, Windows 7 Pro 64bit