Call of Duty: World at War completely changes the rules of engagement by redefining WWII gaming and thrusting players into the final tension-filled, unforgiving battles against a new ferocious enemy in the most dangerous and suspenseful action ever seen in WWII.
The mod adds to the single-player game models of weapons with a silencer,converted from multiplayer models. Mod creator - Sovietmann
you can view the mod here
Cybercod.org
The mod is updated, weapons with a silencer are added automatically-when loading missions