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, 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. Consequently, it is highly popular among people requiring a powerful but compact source of firepower with low maintenance requirements. 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 found in the Fallout: New Vegas add-on Gun Runners' Arsenal, see: Sleepytyme

M3A1 "grease gun" SMG


This submachine gun filled National Guard arsenals after the 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 rounds lack the bonuses of 10mm rounds.

Thompson M1928


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 rounds.

H&K P90c


The Heckler & Koch P90c was just coming into use at the time of the war. The weapon's bullpup layout and compact design make it easy to control. The durable P90c is prized for its reliability, and high firepower in a ruggedly-compact package.

Unnamed 9mm SMG


An ancient firearm that had been produced as early as 1932, the ever reliable 9mm SMG is a decent small weapon, emptying its full magazine in 3 seconds flat. This weapon continued to see use after the war for its simplicity to use and low-maintenance reliability.
 * For the unique 9mm SMG found in Fallout: New Vegas, see: Vance's 9mm SMG
 * For the non-player weapon used by Securitrons in Fallout: New Vegas, see: Securitron 9mm submachinegun

Unnamed 12.7mm SMG


More common in higher levels, the 12.7mm submachine gun is a heavy duty large caliber SMG. It features a top mounted magazine, the bullets lie at a right angle to the weapon.

Silenced .22 SMG


The silenced .22 SMG is iconic with its unusual pan magazine, which sits atop the gun rather than under. The silencer is integrated right into the barrel.

Unnamed .45 Auto SMG




Used by the tribes in Zion Canyon and the Triggermen of the Commonwealth, the .45 Auto SMG is a relatively robust gun that offers heavy firepower. However, the result is that this gun requires two hands to operate. Also, the heavy recoil means that this SMG's accuracy will suffer in long-distance engagements.

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 Skorpion vz. 61 is a decent enough little machine pistol. Once used by members of the Spetznas, it's not as great a 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 MP40 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 P90c was designed by the FN Herstal and just coming into use at the time of the war. The weapon's bullpup layout, and compact design, make it easy to control. The durable P90c is prized for its reliability and high firepower in a ruggedly-compact package.

Calico Liberty 100
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The Calico Liberty 100 is a SMG manufactured by Calico Light Weapons Systems. Mostly known for its unusual magazine, and its unreliability.<section end="Calico" />

Home-made machine gun
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The home-made machine gun is 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.

Behind the scenes
The H&K MP9 10mm SMG was renamed to the "H&K MP10 10mm SMG" in J.E. Sawyer's Fallout Role-Playing Game.