This mod makes your default gun "M16A3" to a UMP. Stats do change.
Instructions:
1.Save and extract anywhere that you can easily locate.
2.Open Injector " RezInject.exe"
3.In "Rez File to Inject" go to your Combat Arms game folder (C:\Nexon\Combat Arms\Game)
4. Find file "GUNS_M_PV_AR.rez" and open
5."Files to inject" press add and find where you saved the mod at, file name is PVMLA_M16A3.LTB.
6. Press Inject, and wait for it to load.
7.Go to game folder and you'll see the files "GUNS_M_PV_AR.rez and GUNS_M_PV_AR.reznew"
8.Delete "GUNS_M_PV_AR.rez", then rename "GUNS_M_PV_AR.reznew" to GUNS_M_PV_AR.rez"