Submachine gun

A submachine gun (SMG) is an automatic carbine, designed to fire pistol cartridges. It combines the automatic fire of a machine gun with the cartridge of a pistol. An assault rifle, in contrast, uses an intermediate-power cartridge with more power than a pistol but less than a standard rifle or battle rifle.

H&K MP9 10mm SMG


 Commonly considered to be one of the finest weapons in the world, the Heckler & Koch MP9 submachine gun fires the powerful 10mm ammunition. Although the single shot is comparable to the Colt 6520 or the N99 pistol, the MP9 truly shines in burst and fully automatic modes. Coupled with the compact design, sturdiness, and light weight, it becomes a powerful asset in the hands of anyone in the wasteland. Although, the high fire rate means the urge to spray-and-pray must be controlled, unless the operator wants to run out of ammunition. Thankfully, the ease of handling makes this easier than it seems. An unique feature of the weapon is its two selectors: one for switching between safety, single shot mode, and automatic mode, and another for specifying the size of the burst, up to fully automatic fire. 
 * For the unique 10mm SMG found in Fallout 3, see: Sydney's 10mm "Ultra" SMG
 * For the unique 10mm SMG alivable in Gun Runners' Arsenal, see: Sleepytyme (GRA)

M3A1 "Grease Gun" SMG


This submachine gun filled National Guard arsenals after the United States Army replaced it with newer weapons. However, the "Grease Gun" was simple and cheap to manufacture so there are still quite a few still in use. It's very powerful, but its .45 caliber rounds lack the bonuses of 10mm rounds.

Thompson M1928


 This Thompson M1928 submachine gun is a sinister looking weapon; every time you hold it, you have an urge to put on a fedora hat and crack your knuckles. The Thompson is well-fed by a large 50 round drum magazine. Like the "Grease gun", the Thompson is pretty powerful, but fires nondescript .45 caliber rounds. 

H&K P90c


 The Heckler & Koch P90c was just coming into use at the time of the war. The P90c is a selective fire, straight blowback-operated personal defense weapon with a very high cyclic rate and an unorthodox design intended to make it as ergonomic and ambidextrous as possible. The weapon is grasped by means of a thumbhole in the frame that acts as a pistol grip, as well as an oversized trigger guard that acts as a foregrip for the shooter's support hand. To maximize maneuverability and minimize size, the weapon is built in a bullpup configuration, with the magazine mounted horizontally parallel to the barrel on top of the weapon's frame. 

9mm SMG


An automatic, air-cooled blowback-operated weapon firing from an open bolt, the 9mm submachine gun offers an exceptional rate of fire, capable of emptying its full 30-round magazine in under 3 seconds. It's a compact weapon, with a telescoping one-piece wire stock. 
 * For the unique 9mm SMG found in Fallout: New Vegas, see: Vance's 9mm SMG

12.7mm SMG


An extremely powerful close quarters combat weapon, the 12.7mm submachine gun is as unique in its looks as it is in function. Loading rounds from a top mounted magazine located horizontally, parallel to the weapon's barrel, it utilizes a delayed blowback system, with an inertia block located in the center part of the weapon that redirects recoil downwards via a weighted block. The entire weapon is designed to lie in line with the operator's hand and shoulder, to reduce muzzle climb.

Silenced .22 SMG


A distinctive weapon, firing .22 cartridges from a pan magazine, using a conventional blowback mechanism. While it offers a respectable fire rate thanks to its open bolt construction, its real strength lies in the integrated suppressor, which completely silences the weapon.

.45 Auto SMG




A venerable relic, the .45 Auto submachine gun is a classic design that rivals the .45 Auto pistol in age. Originally designed for trench warfare of World War I, this weapon's craftsmanship and firepower made it a popular choice for Prohibition-era gangsters, policemen, and U.S. military units. It is a conventional open bolt, magazine fed design. While heavy for its size, the metal and wood used in its manufacture make it extremely durable. Many units were kept in storage by the United States Army and National Guard, eventually finding their way into the hands of various groups across the wasteland after these armories and ammo dumps were looted. The most notable groups include the White Legs, who adopted them as Storm Drums and use them extensively in their raids, and the Triggermen of the Commonwealth. 
 * For the unique version found in Fallout 4, see: Spray n' Pray.

MP5 H&K


The MP5 H&K is a submachine gun of German design, developed in the 1960s by a team of engineers from the German small arms manufacturer Heckler & Koch GmbH. It's one of the most popular submachine guns, used by law enforcement and militaries all over the world.

UZI


The Uzi was designed by Major Uziel Gal in the late 1940s. The prototype was finished in 1950; first introduced to IDF special forces in 1954, the weapon was placed into general issue two years later. The Uzi has found use as a personal defense weapon by rear-echelon troops, officers, artillery troops and tankers, as well as a frontline weapon by elite light infantry assault forces.

Scorpio




The Scorpio is a decent enough little SMG. Once used by members of the Spetznas, it's not as great a submachine gun as the MP5. 

Sten gun


The Sten Gun was developed by the British during WWII as a cheap alternative to the more expensive Thompson SMG offered by the Americans. The Sten proved to be extremely reliable and, due to its fairly loose tolerances, could perform in poor conditions much more reliably than ostensibly better weapons.

MP38


The MP38 was created during World War II by the German army, who need a compact weapon that provided more firepower than a simple pistol to arm its paratroopers, tank crews and officers. This weapon was immediately so successful that the Army established an ombudsman to all its troops.

Walther MPL




The Walther MPL is a parabellum submachine gun produced in West Germany from 1963 to 1985 by Walther. It serves as a slightly better all-around SMG, compared to the MP5. 

FN P90c


 The FN Herstal P90c was just coming into use at the time of the war. The P90c is a selective fire, straight blowback-operated weapon with a very high cyclic rate and an unorthodox design intended to make it as ergonomic and ambidextrous as possible. The weapon is grasped by means of a thumbhole in the frame that acts as a pistol grip, as well as an oversized trigger guard that acts as a foregrip for the shooter's support hand. To maximize maneuverability and minimize size, the weapon is built in a bullpup configuration, with the magazine mounted horizontally parallel to the barrel on top of the weapon's frame. 

Calico Liberty 100
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The Calico Liberty 100 is a SMG manufactured by Calico Light Weapons Systems. <section end="Calico" />

Home-made machine gun
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It's a jury-rigged 9mm submachine gun with an improvised bayonet built from scrap metals paired in some places with pieces of tissue and crafted in the workshops of Jane's raiders in Carbon Mill Texas in 2208. <section end="HomeMadeMachineGun" />

Unnamed 9mm model
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A classic 9mm SMG.