List of crew-served weapons of the U.S. Armed Forces

This list contains weapons that are classified as crew-served

Crew served weapon

A crew-served weapon is any weapon system that requires a crew of more than one individual to function at optimum efficiency due to its operational complexity, such as requiring one person to load while another fires. The weight and bulk of the system often also necessitates multiple personnel for...

, as the term is used in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

military

Military

A military is an organization authorized by its greater society to use lethal force, usually including use of weapons, in defending its country by combating actual or perceived threats. The military may have additional functions of use to its greater society, such as advancing a political agenda e.g...

.

While the general understanding is that crew-served weapons require more than one person to operate them, there are important exceptions in the case of both squad automatic weapon

Squad automatic weapon

A squad automatic weapon is a weapon used to give infantry squads or sections a portable source of automatic firepower. Weapons used in this role are selective-fire rifles, usually fitted with a bipod and heavier barrel to perform as Light machine guns...

s (SAW) and sniper

Sniper

A sniper is a marksman who shoots targets from concealed positions or distances exceeding the capabilities of regular personnel. Snipers typically have specialized training and distinct high-precision rifles....

rifle

Rifle

A rifle is a firearm designed to be fired from the shoulder, with a barrel that has a helical groove or pattern of grooves cut into the barrel walls. The raised areas of the rifling are called "lands," which make contact with the projectile , imparting spin around an axis corresponding to the...

s. Within the Table of Organization and Equipment

Table of Organization and Equipment

A table of organization and equipment is a document published by the U.S. Department of Defense which prescribes the organization, staffing, and equippage of units. Also used in acronyms as 'T/O' and 'T/E'....

for both the United States Army

United States Army

The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

and the U.S. Marine Corps

United States Marine Corps

The United States Marine Corps is a branch of the United States Armed Forces responsible for providing power projection from the sea, using the mobility of the United States Navy to deliver combined-arms task forces rapidly. It is one of seven uniformed services of the United States...

, these two classes of weapons are understood to be crew-served, as the operator of the weapon (identified as a sniper or as a SAW gunner) has an assistant, who carries additional ammunition and associated equipment, acts as a spotter

Sniper team

A sniper team typically consists of a sniper and a spotter as described in military doctrines of the United States, Canada and United Kingdom. Both members can perform either role and often rotate between the two...

, and is also fully qualified in the operation of the weapon.

Squad automatic weapon/automatic rifle

In active service
- M249 Squad Automatic Weapon (5.56x45mm NATO)
- M240B/G (7.62x51mm NATO)

In active service (some branches, secondary or limited roles)
- M240D/H (7.62x51mm NATO)
- M27 Infantry Automatic Rifle (5.56x45mm, USMC only)
- M60
  M60 machine gun
  The M60 is a family of American general-purpose machine guns firing 7.62×51mm NATO cartridges from a disintegrating belt of M13 links...
  
  (7.62x51mm NATO)
- M60E3
  M60 machine gun
  The M60 is a family of American general-purpose machine guns firing 7.62×51mm NATO cartridges from a disintegrating belt of M13 links...
  
  (7.62x51mm NATO, US Navy SEALs)
- M60E4/Mk 43 Mod 0/1
  M60 machine gun
  The M60 is a family of American general-purpose machine guns firing 7.62×51mm NATO cartridges from a disintegrating belt of M13 links...
  
  (7.62x51mm NATO)
- Mk 46 Mod 0/1 (5.56x45mm NATO, USSOCOM
  United States Special Operations Command
  The United States Special Operations Command is the Unified Combatant Command charged with overseeing the various Special Operations Commands of the Army, Air Force, Navy and Marine Corps of the United States Armed Forces. The command is part of the Department of Defense...
  
  only)
- Mk 48 Mod 0/1 (7.62x51mm NATO, USSOCOM, Limited Issue US ARMY until issue of M240L)

Out of service (obsolete)
- HK21 (7.62x51mm NATO, Delta Force
  Delta Force
  1st Special Forces Operational Detachment-Delta is one of the United States' secretive Tier One counter-terrorism and Special Mission Units. Commonly known as Delta Force, Delta, or The Unit, it was formed under the designation 1st SFOD-D, and is officially referred to by the Department of Defense...
  
  , Marines and SEALs
  United States Navy SEALs
  The United States Navy's Sea, Air and Land Teams, commonly known as Navy SEALs, are the U.S. Navy's principal special operations force and a part of the Naval Special Warfare Command as well as the maritime component of the United States Special Operations Command.The acronym is derived from their...
  
  only)
- M1918A1/A2 BAR (.30-06)
- M1922 BAR (.30-06)
- Johnson M1941 LMG (.30-06, Rangers
  United States Army Rangers
  United States Army Rangers are elite members of the United States Army. Rangers have served in recognized U.S. Army Ranger units or have graduated from the U.S. Army's Ranger School...
  
  and Special Operations Forces
  United States Special Operations Forces
  United States Special Operations Forces under United States Special Operations Command are active and reserve component forces of U.S. Military...
  
  only)
- M14A1
  M14 rifle
  The M14 rifle, formally the United States Rifle, 7.62 mm, M14, is an American selective fire automatic rifle firing 7.62x51mm NATO ammunition. It was the standard issue U.S. rifle from 1959 to 1970. The M14 was used for U.S...
  
  (7.62x51mm NATO)
- M15 (7.62x51mm NATO)
- M16A1 with bipod
  M16 rifle
  The M16 is the United States military designation for the AR-15 rifle adapted for both semi-automatic and full-automatic fire. Colt purchased the rights to the AR-15 from ArmaLite, and currently uses that designation only for semi-automatic versions of the rifle. The M16 fires the 5.56×45mm NATO...
  
  (5.56x45mm NATO)
- XM207/E1/Mk 23 Mod 0
  Stoner 63
  The Stoner 63, also known as the XM22/E1, is an American modular weapons system designed by Eugene Stoner in the early 1960s. It was produced by Cadillac Gage and used in very limited numbers in Vietnam by members of the United States Navy SEALs and several law enforcement...
  
  (Stoner 63A1 'Commando'; 5.56x45mm NATO)
- M1919A6
  M1919 Browning machine gun
  The M1919 Browning is a .30 caliber medium machine gun that was widely used during the 20th century. It was used as a light infantry, coaxial, mounted, aircraft, and anti-aircraft machine gun by the U.S. and many other countries, especially during World War II, the Korean War, and the Vietnam War...
  
  (.30-06)
- Lewis Gun
  Lewis Gun
  The Lewis Gun is a World War I–era light machine gun of American design that was perfected and widely used by the British Empire. It was first used in combat in World War I, and continued in service with a number of armed forces through to the end of the Korean War...
  
  (.30-06, Army
  United States Army
  The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...
  
  only)
- Chauchat
  Chauchat
  The Chauchat , was the standard light machine gun of the French Army during World War I. Under the leadership of General Joseph Joffre, it was commissioned into the French Army in 1916. It was also widely used by the US Army in 1917-1918 and by six other nations: Belgium, Greece, Poland, Russia,...
  
  (.30-06, 8 mm Lebel)
- M1909 Benet-Mercie (Machine Rifle, (.30-06))

Experimental
- LSAT
  Lightweight Small Arms Technologies
  The Lightweight Small Arms Technologies program is funded by the U.S. Joint Service Small Arms Program, with the goal of significantly reducing the weight of small arms and their ammunition...
  
  (5.56 mm Composite-cased, Telescoping Ammunition)
- XM8 LMG
  XM8 rifle
  The XM8 was a developmental U.S. Military designation and project name for a lightweight assault rifle system that was under development by the United States Army from the late 1990s to early 2000s...
  
  (5.56x45mm NATO)
- EX 27 Mod 0 (Colt CMG-2; 5.56x45mm)
- WAK 'Interim SAW
  Colt Automatic Rifle
  Colt Automatic Rifle is a 5.56 mm NATO firearm offered by Colt Defense. It is based on the M16A2/A4, but features full automatic fire, an integrated bipod, and it can be configured to fire from an open bolt. The forward hand-grip has a distinctive squared off shape.It is one of many SAW-type...
  
  (5.56x45mm)
- XM106
  Colt Automatic Rifle
  Colt Automatic Rifle is a 5.56 mm NATO firearm offered by Colt Defense. It is based on the M16A2/A4, but features full automatic fire, an integrated bipod, and it can be configured to fire from an open bolt. The forward hand-grip has a distinctive squared off shape.It is one of many SAW-type...
  
  (5.56x45mm)
- XM262 (HK 21E variant, pre-HK 23E; 5.56x45mm)
- XM234 (6x45mm, 5.56x45mm)
- XM233 (6x45mm)
- XM235/XM248 (6x45mm, 5.56x45mm)
- XM223
- CAR-15 HBAR
  CAR-15
  The Colt Automatic Rifle-15 Military Weapons System or CAR-15 was a family of AR-15 and M16 rifle–based firearms marketed by Colt in the late 1960s and early 1970s. Due to their compact size, the short-barreled Colt Commando and XM177 versions of this family continued to be issued to the U.S...
  
  (M1 and M2, 5.56x45mm)
- T161
  M60 machine gun
  The M60 is a family of American general-purpose machine guns firing 7.62×51mm NATO cartridges from a disintegrating belt of M13 links...
  
  (7.62x51mm NATO)
- T52 (7.62x51mm NATO)
- T44
  FG 42
  The FG 42 was a selective fire battle rifle produced in Nazi Germany during World War II...
  
  (.30-06)
- T24
  MG42
  The MG 42 is a 7.9mm universal machine gun that was developed in Nazi Germany and entered service with the Wehrmacht in 1942...
  
  (.30-06)
- T10/T23 (.30-06)

Sniper/marksman rifles

In active service (some branches, secondary or limited roles)
- M14 rifle
  M14 rifle
  The M14 rifle, formally the United States Rifle, 7.62 mm, M14, is an American selective fire automatic rifle firing 7.62x51mm NATO ammunition. It was the standard issue U.S. rifle from 1959 to 1970. The M14 was used for U.S...
  
  (Semi-Automatic Rifle, 7.62x51mm NATO, stock M14s other than the M14SE are no longer being purchased, but are still being issued)
- M14SE
  M14 rifle
  The M14 rifle, formally the United States Rifle, 7.62 mm, M14, is an American selective fire automatic rifle firing 7.62x51mm NATO ammunition. It was the standard issue U.S. rifle from 1959 to 1970. The M14 was used for U.S...
  
  (Semi-Automatic Rifle, 7.62x51mm NATO)
- M24 Sniper Weapon System (Bolt Action Sniper Rifle, 7.62x51mm NATO)
- M39 Enhanced Marksman Rifle
  M39 Enhanced Marksman Rifle
  The M39 Enhanced Marksman Rifle is a semi-automatic, gas-operated rifle chambered for the 7.62x51mm NATO cartridge. It is a modified and accurized version of the M14 rifle built and utilized solely by the United States Marine Corps...
  
  (Designated Marksman Rifle, 7.62x51mm NATO)
- M40A3 (Bolt Action Sniper Rifle, 7.62x51mm NATO)
- M82A1M/A3 (Barrett M82A3; Special Application Scoped Rifle, .50 BMG)
- M107 (Long Range Sniper Rifle, .50 BMG)
- M110 Semi-Automatic Sniper System (KAC SR-M110; Semi-Automatic Sniper System, 7.62x51mm NATO)
- Mk 11 Mod 0/1/2 (KAC SR-25 Lightweight Match; Semi-Automatic Sniper Rifle, 7.62x51mm NATO)
- Mk 12 Mod 0/1 (Multipurpose Rifle, 5.56x45mm NATO)
- Mk 13 Mod 0/1/2 (Bolt Action Sniper Rifle, .300 Winchester Magnum)
- Mk 14 Mod 0/1 Enhanced Battle Rifle
  United States Navy Mark 14 Mod 0 Enhanced Battle Rifle
  The United States Navy Mark 14 Enhanced Battle Rifle is an American selective fire military rifle chambered for the 7.62x51mm NATO cartridge. It is a variant of the M14 battle rifle and was originally built for use with units of the United States Naval Special Warfare Command, such as the United...
  
  (Multipurpose Rifle, 7.62x51mm NATO)
- Mk 15 Mod 0 (McMillan M88 PIP; Bolt Action Anti-Materiel Rifle, .50 BMG)
- SEAL Recon Rifle
  SEAL Recon Rifle
  Built in-house by U.S. Navy SEAL Team armorers, and later by the Naval Surface Warfare Center, Crane Division , the SEAL Recon Rifle was developed to provide SEAL snipers with a portable, lightweight system with greater lethality than a standard M4 carbine...
  
  (Multipurpose Rifle, 5.56x45mm NATO)
- U.S. Army Squad Designated Marksman Rifle (SDMR)
  United States Army Squad Designated Marksman Rifle
  The United States Army Squad Designated Marksman Rifle is a heavily modified M16-series semi-automatic rifle intended to provide increased accuracy over range, giving infantry squads greater firepower.-Background:...
  
  (Designated Marksman Rifle, 5.56x45mm NATO)
- USMC Squad Advanced Marksman Rifle (SAM-R)
  U.S. Marine Corps Squad Advanced Marksman Rifle
  The Squad Advanced Marksman Rifle is a semi-automatic rifle developed by and in service with the United States Marine Corps. It gives Marines the capability to provide precision fire in support of the rifle squad, providing precision fire in support of an assault, and aid in observation and...
  
  (Designated Marksman Rifle, 5.56x45mm NATO)
- USMC Designated Marksman Rifle (DMR)
  U.S. Marine Corps Designated Marksman Rifle
  The United States Marine Corps Designated Marksman Rifle is a semi-automatic, gas-operated rifle chambered for the 7.62x51mm NATO cartridge...
  
  (Designated Marksman Rifle, 7.62x51mm NATO, in the process of being converted to the M39 EMR configuration)
- XM2010
  XM2010
  The XM2010 Enhanced Sniper Rifle , formerly known as the M24 Reconfigured Sniper Weapon System, is a sniper rifle developed by PEO Soldier for the U.S. Army. It is derived from the M24 Sniper Weapon System and is intended to replace existing M24s. After winning a competitive bidding process,...
  
  (Bolt Action Sniper Rifle, .300 Winchester Magnum)

Out of Service (obsolete)
- Berdan-Sharps rifle
  Sharps Rifle
  Sharps rifles were those of a series begun with a design by Christian Sharps. Sharps rifles were renowned for long range and high accuracy in their day.-History:Sharps's initial rifle was patented September 17, 1848 and manufactured by A. S...
- M1C/D Garand (Semi-Automatic Rifle, .30-06)
- M1903A4 (Bolt Action Sniper Rifle; .30-06)
- M21 Sniper Weapon System (Semi-Automatic Sniper Rifle, 7.62x51mm NATO)
- M25 Sniper Weapon System
  M25 Sniper Rifle
  The M25 Sniper Weapon System is a joint venture sniper rifle built for the U.S. Army Special Forces and the U.S. Navy SEALs. It was originally developed by the 10th Special Forces Group, based at Fort Devens, Mass., to fulfill a challenge for a sniper rifle based on a match grade M14 that...
  
  (Semi-Automatic Sniper Rifle, 7.62x51mm NATO)
- M40 (Bolt Action Sniper Rifle, 7.62x51mm NATO)
- M40A1 (Bolt Action Sniper Rifle, 7.62x51mm NATO, retrofitted into M40A3s)
- M82A1/A1A (Barrett M82A1; Semi-Automatic Anti-Materiel Rifle, .50 BMG)
- M82A2 (Barrett M82A2; Semi-Automatic Anti-Materiel Rifle, .50 BMG)
- M86
  M86 sniper rifle
  The M86 sniper rifle is a bolt action sniper rifle that was used by the U.S. armed forces and manufactured by Harris Gunworks . It was used by Navy SEALs and Delta Force...
  
  (Navy SEALs)
- Robar RC-50
  Robar RC-50
  The Robar RC-50 counter-sniper rifle is developed by the United States Robar Companies, Inc in Phoenix, Arizona. It is chambered in .50 BMG. The RC-50 is found in two variants—the original RC-50 and the side-folding buttstock RC-50F....
  
  (Bolt-action anti-materiel rifle, .50 BMG)
- Target Rifles (Benchrest)
- Whitworth rifle
  Whitworth rifle
  The Whitworth Rifle was a single-shot muzzle-loaded rifle used in the last half of the 19th century.-History:The Whitworth rifle was designed by Sir Joseph Whitworth, a prominent British engineer and entrepreneur. Whitworth had experimented with cannons using twisted hexagonal barrels instead of...
  
  (Percussion muzzle-loader; .451)
- Winchester Model 70
  Winchester Model 70
  The Winchester Model 70 is a bolt action sporting rifle. It has an iconic place in American sporting culture and has been held in high regard by shooters since it was introduced in 1936, earning the moniker "The Rifleman's Rifle". The action has some design similarities to Mauser designs and it is...
  
  (Bolt-Action Rifle, .30-06)

Experimental:
- Colt Model 655/656
  M16 rifle
  The M16 is the United States military designation for the AR-15 rifle adapted for both semi-automatic and full-automatic fire. Colt purchased the rights to the AR-15 from ArmaLite, and currently uses that designation only for semi-automatic versions of the rifle. The M16 fires the 5.56×45mm NATO...
  
  (Selective Fire Marksman Rifle, 5.56x45mm NATO) (Never Standardized)
- EX 16 Mod 0 SCAR-L (SV)
  FN SCAR
  The Special Operations Forces Combat Assault Rifle, or SCAR, is a modular rifle made by FN Herstal for the United States Special Operations Command to satisfy the requirements of the SCAR competition. This family of rifles consist of two main types...
  
  (Semi-Auto Rifle, 5.56x45mm NATO)
- EX 17 Mod 0 SCAR-H (SV)
  FN SCAR
  The Special Operations Forces Combat Assault Rifle, or SCAR, is a modular rifle made by FN Herstal for the United States Special Operations Command to satisfy the requirements of the SCAR competition. This family of rifles consist of two main types...
  
  (Semi-Auto Rifle, 7.62x51mm NATO)
- XM109
  Barrett XM109
  The Barrett XM109 is an anti-materiel rifle, chambered in 25 × 59 mm, under development by Barrett Firearms Manufacturing.-Overview:The XM109, originally known as the Objective Sniper Weapon or "Payload Rifle" , is a semi-automatic anti-materiel rifle, designed primarily for engagement of light...
  
  (Semi-Automatic Cargo Rifle, 25 mm HV 'Cargo')
- XM8 Sharpshooter/SMR
  XM8 rifle
  The XM8 was a developmental U.S. Military designation and project name for a lightweight assault rifle system that was under development by the United States Army from the late 1990s to early 2000s...
  
  (Semi-Automatic Rifle, 5.56x45mm NATO)

Machine guns, Automatic grenade launchers, autocannons

In active service
- M249 Squad Automatic Weapon and variants, (Squad Automatic Weapon, 5.56x45mm NATO)
- M2 Family (Heavy Machine Gun, .50 BMG)
- M240 Family (Medium Machine Gun, 7.62x51mm NATO)
- M60
  M60 machine gun
  The M60 is a family of American general-purpose machine guns firing 7.62×51mm NATO cartridges from a disintegrating belt of M13 links...
  
  Family (General Purpose Machine Gun, 7.62x51mm NATO)
- GAU-2/A/M134 Family
  Minigun
  The Minigun is a 7.62 mm, multi-barrel heavy machine gun with a high rate of fire , employing Gatling-style rotating barrels with an external power source...
  
  (Rotary-Barreled Machine Gun, 7.62x51mm NATO)
- GAU-19/A
  GAU-19
  The GECAL 50, officially designated by the United States military as the GAU-19/A, is an electrically driven Gatling gun that fires the .50 BMG cartridge...
  
  (Rotary-Barreled Machine Gun, .50 BMG)
- M242/Mk 38 Mod 0 Bushmaster Chain gun (Automatic Cannon, 25x137mm)
- M61 Family
  M61 Vulcan
  The M61 Vulcan is a hydraulically or pneumatically driven, six-barreled, air-cooled, electrically fired Gatling-style rotary cannon which fires 20 mm rounds at an extremely high rate. The M61 and its derivatives have been the principal cannon armament of United States military fixed-wing aircraft...
  
  (Rotary-Barreled Automatic Cannon, 20x102mm)
- M197
  M197 Gatling gun
  The M197 electric cannon is a three-barreled electric Gatling gun developed primarily for use by United States Army helicopter gunships.Development of the M197 began in 1967 after experience in the Vietnam War revealed the inadequacy of the 7.62 mm Minigun for gunship use...
  
  (Rotary-Barreled Automatic Cannon, 20x102mm)
- GAU-8/A
  GAU-8 Avenger
  The General Electric GAU-8/A Avenger is a 30 mm, hydraulically-driven seven-barrel Gatling-type rotary cannon that is mounted on the United States Air Force's Fairchild Republic A-10 Thunderbolt II. It is among the largest, heaviest and most powerful aircraft cannons in the United States military...
  
  (Rotary Barreled Automatic Cannon, 30x173mm)
- GAU-12/U
  GAU-12 Equalizer
  The General Dynamics GAU-12/U Equalizer is a five-barrel 25 mm Gatling gun-style rotary cannon. The GAU-12/U is used by the United States, Italy and Spain, which mount the weapon in their fighter jets such as the AV-8B Harrier II, airborne gunships such as the Lockheed AC-130, and land-based...
  
  (Rotary Barreled Automatic Cannon, 25x137mm)
- GAU-13/A
  GAU-13 cannon
  The General Electric GAU-13/A is a 30 mm electric Gatling Gun derived from the GAU-8 Avenger cannon.-Description:The GAU-13 was developed in the late 1970s for use in gun pod applications for fighter aircraft and attack aircraft use, primarily for air-to-ground and anti-tank attacks.The GAU-13/A is...
  
  (Rotary Barreled Automatic Cannon, 30x173mm)
- M230
  M230 Chain Gun
  The Hughes M230 Chain Gun is a 30 mm, single-barrel automatic cannon developed by Hughes and now manufactured by Alliant Techsystems. It is an electrically operated chain gun, a weapon that uses external power instead of recoil to load its rounds....
  
  (Chain-Driven Automatic Cannon, 30x113mm)
- Mk 19 Mod 0/1/2/3 Automatic Grenade launcher
  Mk 19 grenade launcher
  The Mk 19 Grenade Launcher is a 40 mm belt-fed automatic grenade launcher or grenade machine gun that entered U.S. military service during the Cold War, first seeing action during the Vietnam War and remaining in service today.-Overview:...
  
  (Automatic Grenade Launcher, 40x53mm)

Out of service (obsolete)
- M85/M85C
  M85 machine gun
  The M85 is a heavy machine gun that was used primarily weapon for turreted applications in armored fighting vehicles. Designed for anti-aircraft and anti-personnel use, the weapon was found to be extremely complicated...
  
  (Heavy Machine Gun, .50 BMG)
- M73/A1
  M73 machine gun
  The M73 and M219 were 7.62 mm NATO caliber machine guns designed for tank use. It was used on the M48 Patton and M60 Patton MBT series , and on the M551 Sheridan Armored Reconnaissance / Airborne Assault Vehicle .-Design and development:Designed primarily as a coaxial machine gun by the Rock Island...
  
  (Co-axial Machine Gun, 7.62x51mm NATO)
- M219
  M73 machine gun
  The M73 and M219 were 7.62 mm NATO caliber machine guns designed for tank use. It was used on the M48 Patton and M60 Patton MBT series , and on the M551 Sheridan Armored Reconnaissance / Airborne Assault Vehicle .-Design and development:Designed primarily as a coaxial machine gun by the Rock Island...
  
  (Co-axial Machine Gun, 7.62x51mm NATO)
- M1917 (Heavy Machine Gun, .30-06 Springfield)
- M1919 Family (including Mk 21 Mod 0/1)
  M1919 Browning machine gun
  The M1919 Browning is a .30 caliber medium machine gun that was widely used during the 20th century. It was used as a light infantry, coaxial, mounted, aircraft, and anti-aircraft machine gun by the U.S. and many other countries, especially during World War II, the Korean War, and the Vietnam War...
  
  (Medium Machine Gun, .30-06 Springfield and 7.62x51mm NATO)
- M75/M129
  M75 grenade launcher
  The M75 is a 40mm automatic grenade launcher that was used primarily as an aircraft weapon in United States service and was one of the first weapons to use the high velocity 40x53mm grenade.-Overview:...
  
  (Automatic Grenade Launcher, 40x53mm)
- M174 grenade launcher (Automatic Grenade Launcher, 40x46mm)
- M175 grenade launcher (Automatic Grenade Launcher, 40x53mm)
- Mk 18 Mod 0 (Manually Operated, Belt-Fed Grenade Launcher, 40x46mm)
- Mk 20 Mod 0 (Automatic Grenade Launcher, 40x46mm)
- M1/AN/M2/M3/M24
  Hispano-Suiza HS.404
  The Hispano-Suiza HS.404 was an autocannon widely used as both an aircraft and land weapon in the 20th century by British, American, French, and numerous other military services. The cannon is also referred to as Birkigt type 404, after its designer. Firing a 20 mm caliber projectile, it delivered...
  
  (Automatic Cannon, 20x110mm USN)
- Mk 16 Mod 4/5
  Hispano-Suiza HS.404
  The Hispano-Suiza HS.404 was an autocannon widely used as both an aircraft and land weapon in the 20th century by British, American, French, and numerous other military services. The cannon is also referred to as Birkigt type 404, after its designer. Firing a 20 mm caliber projectile, it delivered...
  
  (Automatic Cannon, 20x110mm USN; deck mount versions of the M3 and M24)
- M39A1/A2/A3 (Automatic Cannon, 20x102mm; based on the Mauser MG 213C
  Mauser MG 213
  The Mauser MG 213 was a 20 mm aircraft-mounted revolver cannon developed for the Luftwaffe during World War II. It was never put into service, but the principles formed the basis for several post-war developments by the Allies. A 30 mm version was developed as the MG 213C or MK 213 and it was this...
  
  Cannon)
- Mk 11 Mod 0/5 (Twin-Barrel Automatic Cannon, 20x110mm USN)
- Mk 12 Mod 0 (Automatic Cannon, 20x110mm USN)
- M60
  M60 machine gun
  The M60 is a family of American general-purpose machine guns firing 7.62×51mm NATO cartridges from a disintegrating belt of M13 links...
  
  (Medium Machine Gun, 7.62x51mm NATO)
- M195
  M61 Vulcan
  The M61 Vulcan is a hydraulically or pneumatically driven, six-barreled, air-cooled, electrically fired Gatling-style rotary cannon which fires 20 mm rounds at an extremely high rate. The M61 and its derivatives have been the principal cannon armament of United States military fixed-wing aircraft...
  
  (Rotary-Barreled Automatic Cannon, 20x102mm)
- M140/E3/E5 (Automatic Cannon, 30x100mm)
- M188/E1 (Automatic Cannon, 30x113mm)
- Marlin machine gun
- Colt-Browning M1895
  M1895 Colt-Browning machine gun
  The Colt-Browning M1895, nicknamed potato digger due to its unusual operating mechanism, is an air-cooled, belt-fed, gas-operated machine gun that fires from a closed bolt with a cyclic rate of 450 rounds per minute...
  
  /1917

Experimental
- XM214
  XM214 minigun
  The XM214 was a prototype 5.56 mm rotary barreled machine gun. It was designed and built by General Electric, but it never reached mass production. Also known as the Microgun, the XM214 was a scaled-down version of the M134 "minigun", firing M193 5.56 x 45 mm ammunition.-History:The XM214...
  
  (Rotary-Barreled Machine Gun, 5.56x45mm NATO)
- XM307
  XM307
  The XM307 Advanced Crew Served Weapon was a developmental 25 mm belt-fed Grenade Machine Gun with smart shell capability. It is the result of the OCSW or Objective Crew Served Weapon project. It is lightweight and designed to be two-man portable, as well as vehicle mounted...
  
  (Grenade machine gun, 25 mm HV Airburst)
- XM312
  XM312
  The XM312 is a heavy machine gun derived from the XM307 25 mm autocannon and chambered for the .50 BMG cartridge. It was designed in response to a request by the U.S...
  
  (Heavy machine gun, .50 BMG)
- M2E50 (M2 'Enhanced 50'; Heavy machine gun, .50 BMG)
- M240E6 (Medium Machine Gun, 7.62x51mm NATO)
- Mk 47 Mod 0 Stryker (Automatic Grenade Launcher, 40x53mm)
- Mk 44 Mod 0
  Bushmaster II
  The Mk44 Bushmaster II is a 30 mm chain gun manufactured by Alliant Techsystems. It is a derivative of the 25 mm M242 Bushmaster, and uses some 70% of the same parts as the M242 while increasing the firepower by as much as 50% with the 20% increase in caliber size. The barrel is chromium-plated...
  
  (Automatic Cannon, 30x173mm)
- EX 34 Mod 0 (Chain-driven Machine Gun, 7.62x51mm NATO)

Missile launchers

In active service
- FIM-92 Stinger
  FIM-92 Stinger
  The FIM-92 Stinger is a personal portable infrared homing surface-to-air missile , which can be adapted to fire from ground vehicles and helicopters , developed in the United States and entered into service in 1981. Used by the militaries of the U.S...
- FGM-148 Javelin
  FGM-148 Javelin
  The FGM-148 Javelin is a United States-made man-portable third generation anti-tank missile fielded to replace the Dragon antitank missile.-Overview:Javelin is a fire-and-forget missile with lock-on before launch and automatic self-guidance...
- BGM-71 TOW
  BGM-71 TOW
  The BGM-71 TOW is an anti-tank missile. "BGM" is a weapon classification that stands for "Multiple Environment , Surface-Attack , Missile ". "TOW" is an acronym that stands for "Tube-launched, Optically-tracked, Wire command data link, guided missile"...

In active service (some branches, secondary or limited roles)
- Mk 153 Mod 0 SMAW
  Shoulder-Launched Multipurpose Assault Weapon
  The Shoulder-Launched Multipurpose Assault Weapon is a shoulder-launched rocket weapon, based on the Israeli B-300, with the primary function of being a portable assault weapon and a secondary anti-armor rocket launcher. It was introduced to the United States armed forces in 1984...
  
  Shoulder-Launched Multipurpose Assault Weapon (USMC
  United States Marine Corps
  The United States Marine Corps is a branch of the United States Armed Forces responsible for providing power projection from the sea, using the mobility of the United States Navy to deliver combined-arms task forces rapidly. It is one of seven uniformed services of the United States...
  
  -only)

Out of service (obsolete)
- FIM-43 Redeye
  FIM-43 Redeye
  The General Dynamics FIM-43 Redeye was a man-portable surface-to-air missile system. It used infrared homing to track its target. Production was terminated in September 1969 after about 85,000 rounds had been built - in anticipation of the Redeye II, which later became the FIM-92 Stinger...
- M47 Dragon
  M47 Dragon
  The M47 Dragon is an American shoulder-fired, man-portable anti-tank missile system. It has since been phased out in US service, in favor of the newer FGM-148 Javelin system.-Description:...

Experimental
- FOTT

Mortars

In active service
- M120 120 mm mortar
  M120 120 mm mortar
  The Soltam K6 is a 120 mm mortar that was developed by Soltam Systems of Israel. It is the long-range version of the Soltam K5 and has replaced older systems such as the M30 in several armies including the United States Army...
- M121 120 mm mortar
- M224 60 mm mortar
- M252 81 mm mortar
  M252 Mortar
  The M252 81 mm medium weight mortar is an American smooth bore, muzzle-loading, high-angle-of-fire weapon used for long-range indirect fire support to light infantry, air assault, and airborne units across the entire front of a battalion zone of influence. In the U.S. Army and U.S...
- Mortier 120mm Rayé Tracté Modèle F1
  Mortier 120mm Rayé Tracté Modèle F1
  The MO-120 RT-61 or MO-120-RT is a heavy mortar of French origin. It was designed by Thomson-Brandt as the successor for the MO-120 AM-50...

Out of service (obsolete)
- M1 Mortar
  M1 Mortar
  The M1 is a United States 81 millimeter caliber mortar. It was used during World War II well into the 1950s when it was replaced by the lighter and longer ranged M29 Mortar...
  
  (81 mm)
- M2 Mortar
  M2 Mortar
  The M2 Mortar is a smoothbore, muzzle loading, high-angle-of-fire weapon used by U.S. forces in World War II, the Korean War, and the Vietnam War for light infantry support.-Description:...
  
  (60 mm)
- M19 Mortar
  M19 Mortar
  The M19 Mortar is a very light and simple smoothbore, muzzle loading, high-angle-of-fire weapon for light infantry support developed and produced in the United States....
  
  (60 mm)
- M29 Mortar
  M29 Mortar
  The M29 is a United States produced 81 millimeter calibre mortar. It began replacing the M1 Mortar in U.S. service in 1952 being lighter and with greater range. It was replaced by the M252 Mortar in 1984...
  
  (81 mm)
- M30 107 mm Mortar
  M30 107 mm Mortar
  The M30 107 mm heavy mortar is an American rifled, muzzle-loading, high-angle-of-fire weapon used for long-range indirect fire support to infantry units.-Design:...
- Mk 2 Mod 0/1 (Breech-loaded Mortar, 81 mm)

Experimental
- Dragon Fire
  Dragon Fire (mortar)
  The Dragon Fire 120 mm heavy mortar was a private venture by TDA Armaments that was picked up by the US Marine Corps for its EFSS requirement. It is a fully automated mortar capable of using rifled or smoothbore 120 mm ammunition. Like all mortars it is a high-angle-of-fire weapon used for...
  
  120 mm automated mortar
- MFSS 120 mm mortar

Artillery

In active service
- M119
  M119 howitzer
  The M119 Howitzer is a lightweight 105-mm howitzer used by the United States Army. It can be easily airlifted, even by helicopter, or dropped by parachute. It does not need a recoil pit.-Development:...
  
  (105 mm Towed Howitzer)
- M198
  M198 howitzer
  The M198 howitzer is a medium-sized, towed artillery piece, developed for service with the United States Army and Marine Corps. It was commissioned to be a lightweight replacement for the WWII era M114 155mm howitzer. It was designed and prototyped at the Rock Island Arsenal in 1969 with firing...
  
  (155 mm Towed Howitzer)
- M777
  M777 howitzer
  The M777 howitzer is a towed 155 mm artillery piece, successor to the M198 howitzer in the United States Marine Corps and United States Army. The M777 is also used by the Canadian Army, and has been in action in Afghanistan since February 2006 along with the associated GPS-guided Excalibur...
  
  (155 mm Towed Howitzer)
- M102
  M102 howitzer
  First introduced during the Vietnam War, the M102 was the light-towed 105 mm howitzer used by the United States Army in the Vietnam War, the First Gulf War, and most recently in the Iraq War.- An Air Mobile Howitzer for the Vietnam War :...
  
  (105 mm Towed Howitzer)