Russia: Acquired from the end of the  Mk. II Puzzle see the video below

 

Shadowstalker Mk. II
ShadowstalkerMk2 1441
ID1441
RarityMythical
TypeN/A
Slots10 Slots (5×2)
EquipPrimary
HooksSight • Tactical • Grip
DefaultsShadowstalker Mk. II Scope
FiremodesSafety • Semi
Range300 meters • feet
Firerate3.3333333333333 RPS
Durability0% degrade chance