World of Guns:World War II Pack #1 unlocks 12 models from World of Guns:Gun Disassembly game and 1 shooting range.

List of models which are included in WWII Pack:
USSR
TT - pistol
DP-27 - machinegun
Mosin-Nagant -rifle
PPSh-41- SMG

Germany
Luger P08 - pistol
MP40 - SMG
Mauser 98K
StG 44 - assault rifle

Great Britain
Lee Enfield No.1 MK III - rifle
Sten MK II - SMG

United States
M1 Garand - rifle
Thompson - SMG

Shooting Range - Mauser 98K