- M3 Predator pistol: this is the First weapon in ME3 acquired during the Prologue.
- Scorpion pistol location : it is In the Priority: Sur'Kesh mission, it is located on the floor where Mordin requires you to reactivate the elevator power source. After re turning on the power, look for the weapon before turning on the elevator.
- M-5 Phalanx: In the Priority: Tuchanka mission, it is located on the ground, up the steps leading to the long stretch where the Reaper begins firing its laser at your team.
- M-358 Talon weapon : In the Priority: Citadel mission, while in C-Sec HQ, you will come into a dark hallway with four offices. One of the first offices is locked. keep on down the only path forward to discover a computer console that will unlock the office door. Go back and release the door to locate the pistol close to some other weapons.
- M-6 Carnifex pistol location : In the Arrae: Ex-Cerberus Scientists side-mission, it is located on a pipe in the red-bathed maintenance hallway before taking the ladder up.
- Arc Pistol: In the Priority: Geth Dreadnought mission, it will be given to Shepard by Tali.
- M-77 Paladin: It can be purchased from Spectre Requisitions terminal in the Spectre Office at the Citadel for 200,000 credits.
mass effect 3 Shotguns locations
- M-23 Katana shotgun location : In the Priority: Mars mission, it will be given as a starting weapon.
- M-27 Scimitar: In the Priority: Palaven mission, it is found in the main Turian camp on the ground as you exit for your first objective.
- M-22 Eviscerator: In the Grissom Academy: Investigation mission, it is found on a red couch after saving the first student.
- M-300 Claymore: In the Attican Traverse: Krogan Team mission, it is found in the abandoned camp in the left building just as you enter.
- Graal Spike Thrower: In the Priority: Tuchanka mission, it is found near a guard waiting by the railing just as the mission begins.
- Disciple: In the Lesuss: Ardat-Yakshi Monastery mission, it is found after discovering the lone Asari, and entering a combat room filled with Cannibals and a shield generator.
- Geth Plasma Shotgun: In the Priority: Rannoch mission, enter the large combat area with the Geth on a balcony. Kill the enemies, then search right of the area's entrance to find this weapon.
- M-11 Wraith: It can be purchased from Spectre Requisitions terminal in the Spectre Office at the Citadel for 250,000 credits.
mass effect 3 Submachine Guns location
- M-4 Shuriken: In the Priority: Mars mission, it is found inside a lobby security room where Liara works at a computer. Pick up this weapon before activating the security console.
- M-9 Tempest: In the Tuchanka: Turian Platoon mission, it is found on the ground after defeating a set of unaware Husks and climbing a ladder up, deeper into the caves.
- M-25 Hornet: In the Priority: Citadel mission, it is found after entering a new area and taking an elevator up; look on the right side for a few items, including this weapon.
- M-12 Locust: In the Priority: Horizon mission, it is found on the right side of the early lab.
mass effect 3 Assault Rifles Location
- M-8 Avenger: Acquired during the Prologue.
- M-15 Vindicator: In the Priority: Mars mission, just before entering the Archive chamber, you will see a small security room just off the main hallway. It is inside.
- M-96 Mattock: In the Grissom Academy: Investigation mission, it is found after leaving the classroom; search the hallway with the red benches.
- Phaeston: In the Tuchanka: Turian Platoon mission, it is found after chasing off a Harvester and running into some dead Turians in your path. Look near the bodies for this powerful weapon.
- M-76 Revenant: In the Priority: Citadel mission, it is found before running into a Combat Engineer working on a latch. When you spot him, kill him, but do not work on the latch yourself. Turn around, and enter the restroom of the previous area to find this weapon.
- Geth Pulse Rifle: In the Priority: Perseus Veil mission, it is found near the control room. It is on a shelf almost directly in your main path, just off to the right.
- M-99 Saber: Acquired during the Priority: Horizon mission.
- M-37 Falcon: Acquired during the Priority: Cerberus HQ mission.
mass effect 3 Sniper Rifles Location
- M-92 Mantis: In the Priority: Mars mission, just after taking the ladder down, look to your right to find this weapon on the ground.
- M-97 Viper: In the Priority: Palaven mission, it is found on some boxes in the center of the main Turian camp.
- M-13 Raptor: In the Priority: Sur'Kesh mission, it is found on a bench overlooking the outer facility on the floor where Mordin requires you to reset the elevator power source.
- M-29 Incisor: In the Tuchanka: Bomb side-mission, it is found on a ramp just as you exit the first combat zone.
- Javelin: Acquired during the Rannoch: Admiral Koris mission.
- M-98 Widow: Acquired during the Priority: Thessia mission.
- Black Widow: It can be purchased from Spectre Requisitions terminal in the Spectre Office at the Citadel for 250,000 credits.
