model:chrisart, loom (edits), afterburner (silencer),twinkmasta (bullet)
anims:valve
skin:the_tub
sounds:vunsunta
compile:reinier

if you want the silver slide, op en this file 
"cstrike\materials\models\weapons\v_models\pist_usp\usp_map2.vmt" 
type this 
"$basetexture" "models/weapons/v_models/pist_usp/usp_map2_silver"
instead of
"$basetexture" "models/weapons/v_models/pist_usp/usp_map2"