If you have no gun sound try using the crossfire setting option and turn on gun sound. If that doesn't work replace the old SndDrv.dll with a clean one. You can find the SndDrv.dll file here:
https://www.mpgh.net/forum/243-crossf...-6-2012-a.html
( If updated If not go check google for the updated file
Thank me if I helped /me