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Terminal.png This article, M311 Detonation Cord, was written by Ajax 013. Please do not edit this fiction without the writer's permission.
"Must of been close to 2am when we heard somebody hit the outer perimeter. They attempted to crawl under the wire, thinking it was just normal barbed wire. Then it exploded as they pushed it. Innie sapper was screaming because he lost all the fingers on his hand."
―Anonymous UNSC Marine

Production information

Detonation Cord

Technical specifications

Necros War




M311 Detonation Cord is a UNSC device used for detonation explosives, precision explosive work or booby traps.


Det Cord has a great number of uses, such as being wrapped around multiple explosive charges to ensure simultaneous detonation, as it explodes at a rate of 5 miles a second, or being used for small scale demolition purposes, such as opening doors, destroying locks, breeching thin walls, destroying cables or pipes, or fixing it with motion sensitive charges and pulled taunt, creating explosive booby traps and perimeter wire.


The cable consists of an outer plastic cable stuffed with high explosive. Relatively simple to use and arm, it is transported in spools of 20 meters and can be wound tied and cut like regular cable. It can be fitted with detonation caps to blow it, but it can also be detonated by being tied to larger explosive charges. It not reactive to heat or shock however. It can be stretched taunt and attached to a motion sensitive det cap, that explodes as soon as the cable is move or disrupted, rarely killing to the disrupter, but wounding them sufficiently to remove them from combat.

UNSC Comments

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 | M133 Precision Anti-Materiel Energy Weapon System


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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