Credit
Photo Courtesy of PEO Soldier · Public domain · Resized · Public domain · Source ↗ · Modified
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BSmall arms
At a glance
Measured figures
M203A1
Single sourceM203/M203A2
Single sourceConfiguration
| Specification | M203 grenade launcher | Mk 13 rifle |
|---|---|---|
| Type | Grenade launcher[source] | — |
| Place of origin | United States[source] | — |
| In service | 1969–present[source] | 2001–present[source] |
| Used by | See Users[source] | United States[source] |
| Wars | Vietnam War Laotian Civil War Cambodian Civil War Civil conflict in the Philippines Sino-Vietnamese War Cambodian–Vietnamese War Sino-Vietnamese conflicts (1979–1991) Third Indochina War Soviet–Afghan War Falklands War Gulf War War in Afghanistan (2001–2021) Iraq War War in Iraq (2013–2017) Syrian Civil War Gaza war Russian invasion of Ukraine 2025 Cambodia-Thailand conflict |
M203/M203A2: 15 in (380 mm) M203A1: 12 in (305 mm)[source]
Length
Single source1207 mm (47.5")[source]
Effective; 382 yds ( ) fire-team sized area target; 164 yds (
Single sourceEffective; ) vehicle or weapon point target
Single sourceMaximum; 437 yds (
Single source382 yds (350 m) fire-team sized area target; 164 yds (150 m) vehicle or weapon point target[source]
437 yds (400 m)[source]
Effective; Effective firing range
Single source1,300 meters (1,421 yd)[source]
Muzzle velocity
Single source250 ft/s (76 m/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
War in Afghanistan Iraq War[source] |
| Designer | AAI[source] | Accuracy International / Remington Arms[source] |
|---|
| Designed | 1967–68[source] | — |
|---|
| Manufacturer | Colt Defense Diemaco Airtronic USA RM Equipment U.S. Ordnance Knight's Armament Company Lewis Machine & Tool Company[source] | Accuracy International[source] |
|---|
| Unit cost | US$1,082[source] | — |
|---|
| Produced | 1969–present[source] | — |
|---|
| Variants | See Variants[source] | Mk 13 MOD 5 Mk 13 MOD 7[source] |
|---|
| Cartridge | 40×46mm SR[source] | .300 Winchester Magnum[source] |
|---|
| Action | Single shot[source] | Bolt action[source] |
|---|
| Rate of fire | 5 to 7 round/min aimed shots 15 to 17 round/min area suppression[source] | — |
|---|
| Sights | Quadrant sight or ladder sight on rifle[source] | Nightforce Advanced Tactical Riflescope[source] |
|---|
| Calibre | — | .308[source] |
|---|
| Feed system | — | 5-round magazine (MOD 5)[source] |
|---|
| Country of origin | — | United Kingdom[source] |
|---|
| Reported operators |
| — |
|---|