f90
The noob-iest gun on Socom 3. Sub-machine gun that's only available on the terrorist side but some faggy Seals will pick them up after they kill a terrorist with an M67 or something.
"Yo, those bitches are rollin' with F90's..."
"Shit dawg, let's pull out the MK's."
"Shit dawg, let's pull out the MK's."