Kill Flycatcher in the "Hear No Evil" Main Mission to get his weapon blueprint
Flycatcher's P90 SMG - details
MP5 SMG - Overview Maps
The MP5 is in the Liberty Area at Maunga Nui Eco Park.
It's inside the house.
MP5 SMG - Location Screenshot
MP5 SMG - Details
MP7 SMG - Overview Maps
The MP7 SMG is in the New Argyll area at Outpost Black Tiger.
MP7 SMG - Location Screenshot
It's next to the rocket launcher.
MP7 SMG - Details
Reward for the "Firepower" Side Mission in the Channels Region.
MPX SMG - Details
Scorpion EVO3 SMG - Location Overview Maps
The Scorpion EVO3 is in the Windy Islands Region at the Auroa Recycling Factory.
It's in one of the buildings in the center at ground floor.
Scorpion EVO3 SMG - Location Screenshot
Scorpion EVO3 SMG - Details
Scorpion EVO3 CQC
Reward for Panther Lvl 10
Scorpion EVO3 CQC SMG - details