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M-12 Locust

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The M-12 Locust is a submachine gun in Mass Effect 2 and Mass Effect 3.

Mass Effect 2 Edit

ME2 SMG - Locust
M-12 Locust
Type Submachine Gun
Location Bekenstein
Accuracy High
Recoil Low
Fire Mode Automatic
Fire Rate 550 RPM
Reload Time 1.5 s
Damage Stats
Base Damage 25
Damage Multipliers Armor x1.25
Shields x1.25
Barriers x1.25
Ammunition Stats
Shots Per Clip 20
Maximum Spare Ammo Capacity Default 240
Armor Pack 264
Upgraded 360
Both 384
Ammo Pickup Amount 90

Description Edit

The Kassa Fabrications Model 12 Locust is a compact submachine gun developed for the Alliance but now favored by gang enforcers and hitmen. Featuring a complex recoil-reducing mechanism and high-grade autotargeting software, the Locust delivers longer-range, more accurate fire than others in its class.

Acquisition Edit

The M-12 Locust can be found during Kasumi's loyalty mission in Donovan Hock's vault on the table with the graybox. If the weapon is not picked up, it will be awarded at the end of the mission. Kasumi refers to it as "the gun that killed two presidents."

Squad Use Edit

This weapon can be used by Miranda, Mordin, Samara/Morinth, Thane, Kasumi, Liara and Dr. Amanda Kenson.

Player Notes Edit

Important Notes

  • Although it has a lower clip capacity, fire rate and slightly weaker damage output compared to the M-9 Tempest, the Locust makes up for these deficiencies by being more accurate at longer ranges and having virtually no muzzle climb.
  • Like the M-22 Eviscerator, the Locust sacrifices some of its penetration power against shields and barriers to add extra damage against armor, making it a more balanced SMG than the Tempest.
  • For the same reason as the Tempest, it upgrades the M-4 Shuriken.
  • Because squadmates operate better with the Tempest than the Locust, it is recommended that you keep the Locust for Shepard while equipping the Tempest on squadmates.
  • Note: The Locust is not carried over from one imported game to the next. This is easily circumvented due to its acquisition mission being readily available.

Class Specific Notes

Mass Effect 3 Edit

Trivia Edit

  • The Locust makes considerably less noise and has a much smaller muzzle flash than other SMGs. This may be because it is meant to be a suppressed weapon, which fits in with its in-game description as a weapon favored by hitmen and assassins.
  • Despite a vertical fore-grip being integrated into the design of the Locust, there is no animation for any character in Mass Effect 2 or Mass Effect 3 utilizing this specific feature of the weapon. Because of this, any character wielding the Locust grips it as if he or she is holding a heavy pistol or any of the other submachine guns.


Cerberuslogo Mass Effect 2 Downloadable Content Cerberuslogo
Promotional Blood Dragon ArmorCollectors' Weapon and ArmorInferno Armor
M-29 Incisor Sniper RifleTerminus Weapon and Armor
Cerberus Network Zaeed - The Price of RevengeNormandy Crash Site
Cerberus Weapon and ArmorArc ProjectorFirewalker Pack
Missions Kasumi - Stolen MemoryOverlordLair of the Shadow BrokerArrival
Additional Content Alternate Appearance PacksEqualizer PackAegis PackFirepower Pack
Mass Effect: GenesisRecon Operations PackN7 Complete Arsenal Bundle
Mass Effect 2 Weapons
Heavy Pistols M-3 PredatorM-6 CarnifexM-5 Phalanx
Submachine Guns M-4 ShurikenM-9 TempestM-12 Locust
Shotguns M-23 KatanaM-27 ScimitarM-300 ClaymoreM-22 EvisceratorGeth Plasma Shotgun
Assault Rifles M-8 AvengerM-15 VindicatorGeth Pulse RifleM-76 RevenantCollector Assault RifleM-96 Mattock
Sniper Rifles M-92 MantisM-97 ViperM-98 WidowM-29 Incisor
Heavy Weapons M-100 Grenade LauncherML-77 Missile LauncherM-622 AvalancheM-920 CainCollector Particle BeamM-490 BlackstormM-451 FirestormArc Projector
Mass Effect 3 Weapons
Heavy Pistols M-3 PredatorM-5 PhalanxM-6 CarnifexM-11 SuppressorM-77 PaladinM-358 TalonAcolyteArc PistolExecutioner PistolN7 EagleScorpion
Submachine Guns M-4 ShurikenM-9 TempestM-12 LocustM-25 HornetBlood Pack Punisher
Collector SMGGeth Plasma SMGN7 Hurricane
Shotguns M-11 WraithM-22 EvisceratorM-23 KatanaM-27 ScimitarM-300 ClaymoreAT-12 RaiderDiscipleGeth Plasma ShotgunGraal Spike ThrowerN7 CrusaderN7 PiranhaReegar CarbineVenom Shotgun
Assault Rifles M-7 LancerM-8 AvengerM-15 VindicatorM-37 FalconM-55 ArgusM-76 RevenantM-96 MattockM-99 SaberAdas Anti-Synthetic RifleCerberus HarrierChakram LauncherCollector RifleGeth Pulse RifleGeth SpitfireN7 TyphoonN7 ValkyrieParticle RiflePhaestonStriker Assault Rifle
Sniper Rifles M-13 RaptorM-29 IncisorM-90 IndraM-92 MantisM-97 ViperM-98 WidowBlack WidowCollector Sniper RifleJavelinKishock Harpoon GunKrysae Sniper RifleN7 Valiant
Heavy Weapons M-451 FirestormM-560 HydraM-597 LadonM-920 CainCobra Missile LauncherGeth Combat SoftwareGeth SpitfireReaper BlackstarSync Laser

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