Credit
Curiosandrelics · CC BY-SA 3.0 · Resized · CC BY-SA 3.0 · Source ↗ · Modified
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BSmall arms
At a glance
M3 submachine gunlarger figure on 0 of 2
Mk 13 riflelarger figure on 2 of 2
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
stock collapsed
Single sourcestock extended /
Single sourceConfiguration
| Specification | M3 submachine gun | Mk 13 rifle |
|---|---|---|
| Type | Submachine gun[source] | — |
| Place of origin | United States[source] | — |
| In service | 1943–present[source] | 2001–present[source] |
| Used by | See Users[source] | United States[source] |
| Wars | World War II Chinese Civil War Greek Civil War Indonesian National Revolution First Indochina War Korean War Cuban Revolution Algerian War Bay of Pigs Invasion Vietnam War The Troubles Laotian Civil War Malayan Emergency Sino-Indian War Communist insurgency in Malaysia (1968–1989) Papua Conflict Rhodesian Bush War Cambodian Civil War Turkish invasion of Cyprus Shaba II Cambodian–Vietnamese War Sino-Vietnamese War Nicaraguan Revolution Salvadoran Civil War Argentine Dirty War Falklands War Soviet–Afghan War Iran–Iraq War Persian Gulf War Moro conflict Burundi Civil War Kosovo War First Ambon riots War in Afghanistan Iraq War Syrian Civil War |
29.1 in (740 mm) stock extended / 21.9 in (556.3 mm) stock collapsed[source]
Length
Single source1207 mm (47.5")[source]
cyclic (= 7 1 ⁄ 2 / second)
Single source450 rounds/min cyclic (= 7 1 ⁄ 2 / second)[source]
Muzzle velocity
Single source900 ft/s (274 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 | George Hyde[source] | Accuracy International / Remington Arms[source] |
|---|
| Designed | 1942[source] | — |
|---|
| Manufacturer | General Motors , others[source] | Accuracy International[source] |
|---|
| Unit cost | Approx. US$ 20 (1943; equivalent to $279 in 2025)[source] | — |
|---|
| Produced | 1943–1945; early 1950s[source] | — |
|---|
| No. built | Total: 655,363 M3: 606,694 M3A1: 48,669[source] | — |
|---|
| Variants | M3A1 PAM1 PAM2 T29[source] | Mk 13 MOD 5 Mk 13 MOD 7[source] |
|---|
| Cartridge | .45 ACP (11.43×23 mm) 9×19mm Parabellum .30 Carbine (7.62×33mm)[source] | .300 Winchester Magnum[source] |
|---|
| Action | Blowback , open bolt[source] | Bolt action[source] |
|---|
| Feed system | 30-round or 32-round detachable box magazines[source] | 5-round magazine (MOD 5)[source] |
|---|
| Sights | Fixed rear peep sight and blade foresight, calibrated to 100 yards for caliber .45 M1911 ball ammunition[source] | Nightforce Advanced Tactical Riflescope[source] |
|---|
| Former operator · Austria | Austria[source] | — |
|---|
| Former operator · Brazil | Brazil[source] | — |
|---|
| Former operator · People's Republic of China | People's Republic of China[source] | — |
|---|
| Former operator · France | France[source] | — |
|---|
| Former operator · Greece | Greece[source] | — |
|---|
| Former operator · Italian Partisans | Italian Partisans[source] | — |
|---|
| Former operator · Japan | Japan[source] | — |
|---|
| Former operator · Kingdom of Laos | Kingdom of Laos[source] | — |
|---|
| Former operator · Republic of China | Republic of China[source] | — |
|---|
| Former operator · South Korea | South Korea[source] | — |
|---|
| Former operator · Iran | Iran[source] | — |
|---|
| Former operator · North Vietnam | North Vietnam[source] | — |
|---|
| Former operator · South Vietnam | South Vietnam[source] | — |
|---|
| Former operator · Norway | Norway[source] | — |
|---|
| Former operator · Soviet Union | Soviet Union[source] | — |
|---|
| Former operator · United Kingdom | United Kingdom[source] | — |
|---|
| Calibre | — | .308[source] |
|---|
| Country of origin | — | United Kingdom[source] |
|---|
| Reported operators |
| — |
|---|