Think I've found someone who you could collab with for April Fools 2023; their name is geckololt and they're currently working on a GMOD weapon addon with the possability for THE most
Finnish Mosin Nagant M39 Rifle VKT 1944 REF
Swedish rifles - Gev m/39 and m/40
The Finnish m/39: History | OutdoorHub
The most deadly Mosin in the world, the M39 :: Guns.com
Mosin-Nagant M39 PH (Finnish) | Imperial War Museums
Finnish M39 Mosin Nagant Rifles For Sale at Classic Firearms
Finnish M39 Rifle - Various Manufacturers, Model M 1939 Rifle 7.62x54R