ShotSynth is a software which converts your gun(airsoft gun, toy gun, real gun)s gunshot sound into realistic/cool sound.
It includes following gun sounds:
9mm handgun
.32 handgun
.38 Handgun
.30 rifle
shotgun
etc..
Additionally, these sounds are available at add-on:
Barreta M9
Glock
.44 magnum
Desert Eagle
MP-40
P90
M1 Garand
M4A1
AR-15
SPAS-12 shotgun
.416 Barret rifle
.50BMG Barrett M107 rifle
cinematic silencer
SF laser gun
etc..