How to unlock all weapons in Mass Effect 3:

Mass Effect 3 - Guide to Unlock All Weapons in Campaign [360-PS3-PC]

If you are looking to find some particular weapon in Mass Effect 3 this article is just for you. In this new guide dedicated to the latest Bioware effort we see the exact position of all the weapons present in Mass Effect 3. The guide is written in such a way as to avoid spoilers on the plot, but it is impossible to avoid reporting some marginal details on the missions .

How to unlock all weapons in Mass Effect 3:

GUNS

• M3 Predator: first weapon, you will get it at the beginning of the game.
• Scorpion: In the mission "Priority: Sur'Kesh" you can find her on the floor, exactly where Mordin asks you to restore the elevator power. After doing this, you will find the weapon before activating the elevator.
• M-5 Phalanx: In the mission "Priority: Tuchanka" she is found on the ground at the top of the steps leading to the stretch where the Reaper starts firing the laser.
• M-358 House: In the mission "Priority: Citadel" in the C-Sec Headquarters you will find yourself in a dark corridor with four offices. One of the first offices has the door locked and you will then have to go ahead to find a console that opens the door to that office. After doing this, go back and enter, the gun is close to other weapons.
• M-6 Executioner: In the side mission “Arrae: Ex-Cerberus Scientists” you find her in a pipe in the maintenance corridor before the staircase.
• Pistol Bow: Tali will deliver it to you in the “Priority: Dreadnought Geth” mission.
• M-77 Paladin: buy it from the Specters supply terminal in the Citadel, the cost is 200.000 credits.

GUNS

• M-23 Katana: equipped at the start of the “Priority: Mars” mission.
• M-27 Scimitar: In the mission "Priority: Palaven" you find him on the ground in the main Turian camp, as soon as you leave to complete the first objective.
• M-22 Eviscerator: In the mission "Grissom Academy: Investigation" you find him on a red sofa after saving the first student.
• M-300 Claymore: In the mission “Attican Traverse: Team Krogan” you find him in the abandoned field after entering the building on the left.
• Graal Thrower Spike: at the beginning of the mission "Priority: Tuchanka" you find him next to a guard next to a railing.
• Disciple: In the mission "Lesuss: Ardat-Yakshi Monastery" you find it after discovering the lonely Asari, after entering the room full of Cannibals.
• Geth Plasma Shotgun: In the mission "Priority: Rannoch", enter the large combat area with the Geth on the balcony. Kill all the enemies and then look to the right from the entrance.
• M-11 Wraith: buy it from the Specters supply terminal in the Citadel, the cost is 250.000 credits.

MACHINE GUNS

• M-4 Shuriken: In the mission "Priority: Mars" you find her inside a security cabinet where Liara works on a computer. Grab the weapon before activating the console.
• M-9 Tempest: In the mission “Tuchanka: Platoon Turian” you find her on the ground after defeating a group of Husks and climbing the ladder towards the caves.
• M-25 Hornet: In the mission "Priority: Citadel", it is found as soon as you enter a new area after going up with the elevator; look to the right where you will find some items and the weapon.
• M-12 Locust: In the mission "Priority: Horizon" to the right in the laboratory.

ASSAULT GUNS

• M-8 Avenger: you will get it at the beginning of the game.
• M-15 Vindicator: In the mission "Priority: Mars" in the hall just before entering the Archive in a security locker.
• M-96 Mattock: In the mission "Grissom Academy: Investigation" after leaving the classroom, look in the corridor with the red desks.
• Phaeston: In the mission "Tuchanka: Platoon Turian" you find it after you have hunted down a Harvester and come across some dead Turians. The weapon is located near the corpses.
• M-76 Revenant: In the mission "Priority: Citadel" you find him before meeting an enemy engineer working on a locking device. When you see him kill him and enter the bathroom in the previous area to find the weapon.
• Geth Pulse Rifle: In the mission “Priority: Perseus' Veil” it is near the control room, on a shelf in your path, just outside to the right.
• M-99 Saber: Acquired during the “Priority: Horizon” mission.
• M-37 Falcon: Acquired during the “Priority: Cerberus HQ” mission.

PRECISION RIFLES (SNIPER)

• M-92 Mantis: At the beginning of the mission "Priority: Mars" immediately after going down the ladder, look to your right to find the weapon on the ground near some corpses.
• M-97 Viper: In the mission "Priority: Palaven" you can find it above the boxes in the center of the main Turian camp.
• M-13 Raptor: In the mission "Priority: Sur'Kesh" you find him on a bench, when Mordin asks you to restore the power supply of the elevator.
• M-29 Incisor: In the mission “Tuchanka: Bomb” you can find him on a ramp as soon as you leave the first combat zone.
• Javelin: acquired during the “Rannoch: Admiral Koris” mission.
• M-98 Widow: Acquired during the “Priority: Thessia” mission.
• Black Widow: Purchase it from the Specters supply terminal in the Citadel, the cost is 250.000 credits.