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Terminal.png This article, M8Z Submachine Gun, was written by Ajax 013. Please do not edit this fiction without the writer's permission.
M8Z submachine Gun
Production information

Belker ArmsTech


Submachine Gun

Technical specifications
Magazine Size
  • 15 round magazine
  • 30 round magazine
  • 50 round casket magazine
Fire Mode
  • Semi-automatic
  • Full automatic
Ammunition Type

10mm Auto


Blowback Operation

Rate of Fire

1100 rounds per minute




The M8Z Submachine Gun is a magazine fed weapon used by the UNSC. It is a light, and portable SMG, often used by security forces. While it lacks the range of rifles, or the armour penetration of some of it's contemporaries, the M8Z is simple, and lethal against unarmoured personnel.

History and Development

The M8 originally began development in 2403 as a planned weapon for Colonial Military Administration personnel. As a general purpose security weapon, it would be used for Military Police, station security, and occupation forces. As it would be used on frontier planets, and in space, the weapon would have to meet a wide variety of requirements. The UNSC held initial trials, with the weapon from Belker ArmsTech being selected for service. The weapon served with little distinction for a number of years, with the only major change taking place in 2505, wherein as part of the UNSC's takeover of the CMA and it's assets, also took their stockpiles of M8s, at the time mostly M8N, P3, or Q1A1 models. The UNSC began a program of upgrading their M8s to a single model, but choosing to unify around the M8Q pattern, which was chambered for 10mm Auto. These were steadily upgraded, with the M8Z being the current model.


The M8Z is largely used by security personnel in the UNSC. These include occupation units, Military Police, base security, hostage rescue, and special forces. It is also used by some militia and police units as well. While possessing less armour penetrating fire power than assault rifles, it is smaller and more compact, and easier to use in close quarters. It also carries more stopping power than the M20 SMG, at cost of armour penetration, which is ideal for station defence or counter-terrorism. Their reliability in multiple environments, and excellent portability has kept them in service.


The M8Z uses a blowback operation, and is largely constructed from hardened polymer. It has an ambidextrous cocking handle, and a fire selector with safe/full auto/semi auto. The gun uses a telescoping stock, and features Misriah rails along the top of the receiver, and on the hand-guard. The threaded barrel features a compensator, which can be removed to replace it with a suppressor or other muzzle device. It can be fed by 15-round magazines, 30 round magazines, or 50 round casket magazines. As befitting it's wide variety of roles, the weapon is hardy, capable of surviving on harsh frontier planets, or the vacuum of space. It can be easily broken down and cleaned, and the simple mechanism is reliable, even when exposed to dust and dirt.

The Weapon has a high rate of fire, and manageable recoil, making it lethal in close quarters.


Only a few variants of the M8Z are produced, primarily being the M8ZK, which is shortened down, and has the buttstock removed.

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