1.1 MG3:Gun recoil is up by 10%, basic shooting mode is changed to 660RPM
1.2 M16A4,MK47:Gun recoil is down by 10%,  glow effect added to shooting bullets
2. Gun mechanism adjustments:
1.1 Fixed the issue of different shooting direction and aiming points caused by different screen resolutions when scope is not attached.
1.2 Fixed the issue of different damage dealt by different screen resolutions when scope is not attached.