Automatic Colt M4A1 carbine

Option with an optical sight.

The installer also contains the new sound of the shot. New sound of shots must be manually installed, because the installer cannot edit the files with the extension. ivaud and rpf.

Sound file M4_SHOT1_L.wav can be found in the folder "soundgvc", which is located in the folder with the files of the game (where the LaunchGTAIV.exe).

To install the audio you will need the program IVaud and GTA-SparkIV.
Using the file you want to retrieve WEAPONS SparkIV. ivaud, which is located in this path pc\audio\Sfx\resident.rpf.
Using GTA-IVaud replace M4_SHOT1_L.wav sound file (line 173) in the izvlečënnom file of WEAPONS. ivaud and save the changes.
Using the replace file SparkIV WEAPONS. ivaud this path pc\audio\Sfx\resident.rpf to edited and save the changes.