simply move the file weapons.img to pc/models/cdimages and replace the file thats it 


[Elite] Combat Knife Replaces:Knife Author(S):FPSBANANA/Danham/DI_Ghostie_ID/IWAN
AI Arctic Warfare Police Replaces:Combat Sniper Author(S):FPSBANANA/Danham
Airtronic USA21 Replaces:RPG Author:Danham
Bat Replaces:Bat Author:Dr.Shock
Colt 1911 Custom Pachmayr style grips and compensator v2 Replaces:Deagle Author:Dr.Toker
GLOCK 18C Replaces:Glock Author(S) Havok101/Harry, James/el maestro de grafitti/Dr. Zoidberg, FXDarkloki , Havos , Sarqune , Timittytim, Xero, Valve/Smith (vee compiles, vgui)
kalashnikov 47 Replaces:AK47 Author:DI_Ghostie_ID
M4A1 carbine Replaces:M4 Author(S):FPSBANANA/Spykeeboy
M14 SOPMOD Replaces:Sniperrifle Author:butterhole
Remington Pumpgun Replaces:PumpShotgun Author:boow
SPAS-12 Armageddon (w/ New 12 Gauge Shell Belt) Replaces:Shotgun Author:Spykeeboy
SPAS-12 Replaces:Pumpshot Author:SPYKEEBOY
UMP45 Replaces:MP5 Author(S)47/Am-team.ru