The blueprint is in the loot pool for the new "Tactical Strike Group" contracts in Nyx.

Materials:

• Savrilium from Rockbreaker locations in the Keeger Belt.
• Ouratite from Hurston/Aerial/Aberdeen/Yela Belt

Can also be looted from locations with High end loot:

• Hathor (Stanton)
• ASD Lazarus (Pyro)
• ASD Farro Data Centers (Pyro)

Can be bought from other players

• UEXCorp Marketplace is recommended