This mod changed weapons names from pd2
installl mods folder

Weapons Names Changes
M1 Garand and golden > Galant
1911 > Crosskill
MG 42 > Buzzsaw 42
C96 > Broomstick
MP38 > MP40 Just 2 numbers :P
M12 > GSPS 12G
Double Barrel Shotgun > Mosconi 12G
Thompson > Chicago Typewriter without the drum mag
Mosin–Nagant > Just nagant
Sterling submachine gun > Patchett L2A1
Webley > Peacemaker .45

Grenade names
M24 > Potato Masher
343d > Frag Grenade