This papercraft is a M-6 Carnifex Hand Cannon, a heavy pistol in the game Mass Effect 3, the paper model was created by PepMaster. Highly accurate and lethal sidearm. Effective against armor; weak against shields and biotic barriers. Upgrades the Predator heavy pistol.
The Carnifex is a favored sidearm of mercenary leaders and Eclipse mercenary tech specialists. An expensive but powerful weapon. Its marketing materials feature a charging krogan with the slogan, "Don't you wish Carnifex was at your side?"
The M-6 can be obtained while recruiting Mordin Solus on Omega. Mordin gives it to Shepard when the commander arrives at the clinic. He tells Shepard it was from a dead Blue Suns mercenary.
Details of the paper model:
Size: 27.5 cm
You can download the paper model template here: Mas Effect 3 - M-6 Carnifex Hand Cannon Free Paper Model Download