Machine Pistol

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Last mentioned in changelog
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Machine Pistol

A high rate of fire automatic weapon, using .45 (SMG) caliber magazines. Hard to aim.
Quality Bonuses +10% Affliction Strength
Damage Modifier 0.8x
Attack Speed 5.7
Shots per magazine 21
Ammunition SMG Magazine
Depleted Fuel SMG Magazine
Ammo Capacity 1
Ammo Max Stack 2
Skill Requirements
Skill Requirements
Weapons: 50
Handicap Spread +8 (10 → 18)
Constructible? No
Deconstructor Yield
Minimum Difficulty 15%
Base Price 200 mk
OutpostOutpost Buy Sell
Habitation OutpostHabitation N/A 90 mk
ColonyColony N/A 75 mk
Research OutpostResearch N/A 75 mk
Military OutpostMilitary 180 mk 54 mk
Mining OutpostMining N/A 75 mk
Medical MerchantMedical Merchant N/A 60 mk
Engineer MerchantEngineer Merchant N/A 60 mk
Armory MerchantArmory Merchant 180 mk 54 mk
Children of The HonkmotherClown Merchant N/A 60 mk
The Church of HuskHusk Merchant N/A 60 mk
Identifier machinepistol
Categories Weapon
Tags smallautoweapon, smallitem, weapon, gun, gunsmith, provocativetohumanai, mountableweapon

The Machine Pistol is a Handheld Ranged Weapon in Barotrauma.


The Machine Pistol is a one-handed close-range small-size firearm. It shoots rounds from a detachable magazine. The Machine Pistol functions both on board of the submarine and underwater, although its spread makes it unreliable at hitting targets even at medium range.

It can't be crafted, but it can be bought on Outposts with a difficulty of at least 15.


The Machine Pistol is held with one hand and must be loaded with an SMG Magazine or a Depleted Fuel SMG Magazine to be used. As with all weapons and tools, using it is done by holding the Right Mouse Right-click to take aim, then by Left Mouse Left-clicking to shoot/use. Being an automatic weapon, the Machine Pistol can be fired continuously until the Magazine runs out of rounds by holding Left Mouse.

  • It has a single slot for ammunition which can contain one Magazine (21 rounds).
  • It should be noted that the Machine Pistol has a very large spread, which is made even larger for Characters with a Weapons skill lower than 60, greatly reducing its utility outside of point-blank range.
  • It is possible to carry one in each hand, effectively doubling firepower and ammunition, at the cost of another inventory slot. Alternatively, it is possible to wield other items, such as a Flashlight, in the other hand.
  • It can be stored in the inventory.
  • The Machine Pistol has a damage multiplier of 0.8, making it deal less damage than other weapons using the same ammunition.

Damage Values

ItemShots Afflictions Armor PenetrationStructure Damage Explosion Range

Depleted Fuel SMG Magazine
 Gunshot Wound (12)*
 (15 x 0.8 weapon damage modifier)
 Bleeding (4)*
 (5 x 0.8 weapon damage modifier)
 Radiation Sickness (8)*
 (10 x 0.8 weapon damage modifier)
 Stun (0.12)*
 (0.15 x 0.8 weapon damage modifier)
Impact: 4

SMG Magazine
 Gunshot Wound (10)*
 (12.5 x 0.8 weapon damage modifier)
 Bleeding (10)*
 (12.5 x 0.8 weapon damage modifier)
 Stun (0.16)* (10% chance)
 (0.2 x 0.8 weapon damage modifier)
Impact: 3.2

Related Talents

Talent Tree Description

Munitions Expertise
ID: munitionsexpertise
Security Officer
Tier 2
Unlock recipe: SMG Magazine, Shotgun Shell.

See Also


  • Magazines don't actually contain 21 rounds, instead they spawn bullets on demand as long as the Magazine has enough durability, like the Coilgun.
  • The Machine Pistol cannot be crafted, however, it can be deconstructed into raw materials.


Submarine Weapons
Large Turrets
Handheld Weapons
Ranged Weapons
Melee Weapons
Ammunition & Explosives