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Terminal.png This article, M57 Light Multipurpose Assault Weapon, was written by Ajax 013. Please do not edit this fiction without the writer's permission.
"The M66 LiMAR is a sound weapon. The backblast diffusers give it a kick but the launch flash is negligible and it creates a satisfying bang."
―PFC Marcel Williams

Production information
Technical specifications
  • Weight
    • 3.8 kilograms (unloaded), munition canisters weight between 4 and 7 kilograms
  • Length
    • 810mm (unloaded), 1350mm (loaded)
Ammunition Type

85mm HEAT


Rocket Propelled


400 meters


900 metres


Necros War




The M57 Light Multipurpose Assault Weapon is a medium, reloadable shoulder launched weapon. The launcher consists of a 81cm titanium alloy tube, trigger, foregrip, adjustable stock, folding, none-adjustable day/night iron sights and a fire control unit. The fire control unit (FCS) is a ballistic computer designed to allow the launcher to adapt to different rounds and battlefield conditions. The FCS utilises a hardened digital scope, capable of producing full colour images with a four times zoom and has a hybrid night vision/infra-red, wherein it uses a night vision system to observe the battlefield, then it can fuse this image with a thermal image, highlighting heat sources, such as infantry or vehicles. The ballistic computer is also tied to a LASER range finder/designator. The computer can be set to allow munitions to air burst, or predict a more accurate flight path through passive observation of meteorological and environmental conditions, allowing it to designate the best viable shot for the operator and adapt to engage different targets.


The M66 is used to augment heavier weapons, rather than pose as a replacement. It is used as lightweight alternative, preferable in urban combat situations. The weapon is light and portable enough to allow operators unhindered agility. The weapon, ammunition depending, is often used against light to medium structures, light armour, infantry formations, reinforced positions and strong points.


The M66 LiMAR is a hollow fibreglass tube with titanium allow reinforcement. The grips and stock fold in, to allow for ease of transport. The launch tube is fitted with self contained rocket canisters. These carry the rocket and its own independent back blast diffuser, using plastic slivers and salt water counter weight.

UNSC Comments

"Its low tech, but its a lot more useful than those new plasma anti tank doo-hickeys."

"I saw four of them rush outta the bushes at the edge of the park on the flank of alpha squad. They woulda been toast but we scattered the bits of those Necros suckers with a RPG."

"We saw it coming down the highway god knows how fast, one of their stupid Armoured cars with the armoured nose. We fired off a rocket, timed it well, penetrated its flank armour, put bits of it all over the highway!"

Individual and Crew Served Weaponry of the UNSCDF


M6L Personal Defence Weapon System | M57 Pistol | M98 Compact | M19 Modular Pistol

Submachine Guns

M20A Submachine Gun | M12 Special Operations Carbine | M8Z Submachine Gun

Assault Rifles, Carbines, and Battle Rifles

MA6A Individual Combat Weapon System | M2A Carbine | M81 Special Purpose Carbine | M55C Enhanced Battle Rifle

Designated Marksman Rifles

M396 Designated Marksman Rifle | M97 Special Purpose Rifle | M113 Special Purpose Rifle

Machine Guns

M397 Individual Automatic Rifle | M739C Squad Automatic Weapon | M122 Light Machine Gun | M247B2 General Purpose Machine Gun | M247H2 Heavy Machine Gun | AIE-486K1 Heavy Machine Gun | M343A3 Heavy Machine Gun | M780 Special Purpose Machine Gun

Sniper Rifles

M22 Scout Rifle System | M818D Enhanced Modular Sniper Rifle System | M1091 Sniper Rifle System | Sniper Rifle System 99G-S6 Anti-Materiel | M99CA1 Special Application Scoped Rifle


M45F Close Assault Weapon System | M108A1 Close Assault Weapon System | M77 Extreme Close Quarters Combat System

Energy Weapons

Weapon/Anti-Vehicle Model 6B Grindell/Galilean Nonlinear Rifle | MX4 Light Support Weapon | M921 ARC

Non-Lethal Weapon

M2 Threat-Negation Device | MX9 Pulsed Energy Projectile System | M39 Long Range Tranquillizer Rifle

Missile and Rocket Launchers

M41B2 Medium Anti-Vehicle/Assault Weapon | M899 Light Anti Armour Weapon | M57 Light Multipurpose Assault Weapon | M1 Multiple Launch Rocket System | M25 Underslung Rocket Launcher

Grenade Launchers

M319N Individual Grenade Launcher | M23 Multiple Grenade Launcher | M363B RPD | M460C Automatic Grenade Launcher | M556 Counter Defilade Grenade Launcher | M24 Underslung Grenade Launcher | M26 Grenade Launcher Module


M71 Mortar | M78 Mortar | M81 Mortar


M117 Light-Weight Field Howitzer

Sentry Guns

M55 GUARD DOG Sentry Gun | M601 GARGOYLE Sentry Gun


M9 Dual Purpose/High Explosive Grenade | M2 Anti-Materiel Grenade | M70 Flash Bang Grenade | M43 Smoke Grenade

Anti-Personnel and Anti-Armour Mines

M320 Anti-Tank Mine | M341 Anti-Tank Mine | M362 Anti-Tank Mine | M121 Bounding Anti-Personnel Mine | M127 Anti-Personnel Mine

Explosive Devices

C-7 Foaming Explosive | C-13 Gertex | C-14 Plastic Explosive | C-15 Liquid Explosive | M303 Thermite Cord | M311 Detonation Cord | M382 Special Munition Attack Charge (Kinetic) | M390 Breaching Charge | M394 Clearance Charge | M404 Special Lightweight Attack Munition | M366 Demolition Charge | M376 Satchel Charge | M379 Explosive Pack

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