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An M-100 Grenade Launcher

Heavy Weapons are a class of weapon designed to deal destruction greater than conventional means. These weapons typically damage through all types of protection but suffer from high power consumption, making their usage situational but devastating given the right conditions.

Heavy weapons are available to all player classes in Mass Effect 2 and Mass Effect 3.

Mass Effect 2[]

Rather than the universal thermal clips utilized by smaller weapons, heavy weapons consume power cells that can be found on missions. Finding these power cells is the only way to regain heavy weapon ammunition after expending it, unlike the ammunition for the other standard weapons types which is refilled automatically between missions. The ML-77 Missile Launcher, M-622 Avalanche, and M-920 Cain are researched within the Normandy SR-2's tech lab upon acquisition of enough Heavy Weapon ammunition upgrades; the others can be found during missions or are obtained from DLC. In Mass Effect Legendary Edition all DLC is included in the base game; the Arc Projector is now available by default, and the M-490 Blackstorm is purchasable from Harrot’s Emporium on Omega.

Heavy weapons are unique in that they have higher damage potential relative to the other weapon classes and most of them are capable of dealing damage in an area or hitting multiple enemies per shot. The area damage properties of several of the heavy weapons enables them to indirectly hit targets obscured by cover or terrain. Two of the heavy weapons, the M-920 Cain and the M-490 Blackstorm, are capable of damaging enemies directly through intervening cover or terrain.

Heavy weapons receive no upgrades or research to increase their damage like the other weapon classes do, only upgrades that improve power cell capacity, increasing the number of shots that can be fired. Heavy weapons also receive no benefit to their damage from other sources such as powers (e.g. Adrenaline Rush), ammo powers (e.g. Incendiary Ammo), or armor pieces.

Some of the heavy weapons will cause damage to Shepard or the squad regardless of difficulty setting especially if fired at point blank range. The three heavy weapons that can cause "friendly fire" damage are the M-100 Grenade Launcher, the ML-77 Missile Launcher, and the M-920 Cain. Squadmates may complain that Shepard is hitting them with friendly fire if they are in the field of fire or close proximity when Shepard is firing with any weapon, however they will do this regardless of whether they're actually taking damage or not.

All of the heavy weapons in Mass Effect 2 have a longer switching animation than other standard weapon types. This extra time applies both to unlimbering the weapon and for putting it away or "holstering" it. Shepard's movement speed is also slowed considerably during the switching animations.

Heavy Weapon Models[]

Below is a list of heavy weapon models and their base stats:

ML-77 Missile Launcher[]

ML-77 Missile Launcher
  • Manufacturer: Armax Arsenal
  • Base Damage: 350
  • Damage Multipliers (Armor / Barriers / Shields): x1.25 / x1.25 / x1.25
  • Power Cells: 15
  • Acquisition: Research Project

M-100 Grenade Launcher[]

M-100 Grenade Launcher

M-451 Firestorm[]

M-451 Firestorm

M-490 Blackstorm[]

M-490 Blackstorm Projector

M-622 Avalanche[]

M-622 Avalanche
  • Manufacturer: Unknown
  • Base Damage: 50
  • Damage Multipliers (Armor / Barriers / Shields): x8.00 / x8.00 / x8.00
  • Power Cells: 20
  • Acquisition: Research Project

M-920 Cain[]

M-920 Cain
  • Manufacturer: Unknown
  • Base Damage: 10,000
  • Damage Multipliers (Armor / Barriers / Shields): x1.00 / x1.00 / x1.00
  • Power Cells: 100%
  • Acquisition: Research Project

Arc Projector[]

Arc Projector

Collector Particle Beam[]

Collector Particle Beam
  • Manufacturer: Collectors
  • Base Damage: 20
  • Damage Multipliers (Armor / Barriers / Shields): x1.00 / x1.5 / x1.5
  • Power Cells: 500
  • Acquisition: Horizon (mission)

Upgrades[]

See also: Upgrade Guide, Research
  • Heavy Weapon Ammo 1 - 7 (Microfusion Array)
+15% heavy weapon ammo capacity

Mass Effect 3[]

In Mass Effect 3, heavy weapons are no longer available to be equipped at the armory. Instead, they are picked up on the battlefield and thrown away after their limited ammo has been depleted. Despite the scarcity of heavy weapons, however, they remain exceedingly powerful, with some capable of destroying the toughest enemies instantly or eliminating whole enemy squads at once.

In the single-player campaign, switching weapons will cause the heavy weapon to drop in front of you. It can be picked up at a later time (provided it still has ammunition). In multiplayer, the weapon will be replaced on the player's back.

Heavy Weapon Models[]

Below is a list of the types of heavy weapons in Mass Effect 3. Note that WCFDA stands for weight, capacity, fire rate, damage, and accuracy. The relevant values for those statistics are presented in that order.

Cobra Missile Launcher[]

Cobra Missile Launcher
  • Manufacturer: Unknown
  • Base WCFDA: 0 / 1 / 50 / 100 / 100
  • Fire Mode: Single shot
  • Default ammo: 1 / 2
  • Acquisition: Multiplayer

Geth Combat Software[]

Geth Combat Software

Geth Spitfire[]

Geth Spitfire

M-451 Firestorm[]

M-451 Firestorm

M-560 Hydra[]

M-560 Hydra

M-597 Ladon[]

M-597 Ladon

M-920 Cain[]

M-920 Cain
  • Manufacturer: Unknown
  • Base WCFDA: 0 / 1 / 1 / 100 / 100
  • Fire Mode: Single Shot
  • Default ammo: 100% / 0
  • Acquisition: Priority: Earth

Reaper Blackstar[]

Reaper Blackstar

Sync Laser[]

Sync Laser
  • Manufacturer: Quarians
  • Base WCFDA: 0 / 0 / 10 / 100 / 100
  • Fire Mode: Target Lock
  • Default ammo: NA / NA
  • Acquisition: Priority: Rannoch

1 Categorized as a heavy weapon in single-player; is an assault rifle in multiplayer

Mass Effect: Infiltrator[]

Heavy Weapon Models[]

Below the exclusive heavy weapon available in the mobile game Mass Effect: Infiltrator. This heavy weapon can be acquired and upgraded via the ingame store in exchange of credits.

M-333 Particle Beam[]

M-333 Particle Beam

The M-333 Particle Beam is an experimental focused radiation weapon of Cerberus manufacture, based on Collector technology reverse-engineered in covert offworld labs. Precise and lethal, the M-333 is effective against shields and barriers but less effective against armor.

Trivia[]

See Also[]

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