M16 with a M203

Now in GTA San Andreas with M16 grenade launcher underbarrel appears,
only do not stand very close to the object in which you shoot still blast after a shot is such that you can easily fill up, the more it works in 2 modes:
1-th mode is a mode of grenades (works best for battles against helicopters);
2-th mode is a mode of missiles (works best in fighting on a level surface).

to activate a script in a 1-ohm mode G + R,
to activate a script in a 2-ohm mode M + I
to disable a script N + O for the shot, use sight + looking back, the first aim, to shot press the mouse wheel.