ASmall arms
FORCETALLY
Loading the evidence…
Preparing your view.
Preparing your view.
ASmall arms
At a glance
Measured figures
Length
Single source1207 mm (47.5")[source]
SG 540 · source measurement 2
Single sourceConfiguration
| Specification | Mk 13 rifle | SIG SG 540 |
|---|---|---|
| In service | 2001–present[source] | 1977–present[source] |
| Used by | United States[source] | See Users[source] |
| Wars | War in Afghanistan Iraq War[source] | Lebanese Civil War The Troubles Somali Civil War Ivorian Civil Wars Syrian Civil War Militias-Comando Vermelho conflict[source] |
| Designer | Accuracy International / Remington Arms[source] | Schweizerische Industrie Gesellschaft (SIG) |
SG 540 · source measurement 4
Single sourceSG 540 stock extended /
Single sourceSG 540 stock folded
Single sourcestock folded SG 542 stock extended /
Single sourcestock folded SG 543 stock extended /
Single sourceSG 540: 950 mm (37.4 in) stock extended / 733 mm (28.9 in) stock folded SG 542: 1,000 mm (39.4 in) stock extended / 754 mm (29.7 in) stock folded SG 543: 805 mm (31.7 in) stock extended / 569 mm (22.4 in) stock folded[source]
Rate of fire
Single source650–800 rounds/min[source]
SG 540
Single sourceSG 542
Single sourceSG 543
Single sourceSG 540: 980 m/s (3,215 ft/s) SG 542: 820 m/s (2,690.3 ft/s) SG 543: 875 m/s (2,870.7 ft/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Variants | Mk 13 MOD 5 Mk 13 MOD 7[source] | SG 542, SG 543[source] |
|---|
| Cartridge | .300 Winchester Magnum[source] | SG 540, SG 543: 5.56×45mm NATO SG 542: 7.62×51mm NATO[source] |
|---|
| Calibre | .308[source] | — |
|---|
| Action | Bolt action[source] | Gas-operated , rotating bolt[source] |
|---|
| Feed system | 5-round magazine (MOD 5)[source] | 20- or 30-round detachable box magazine[source] |
|---|
| Sights | Nightforce Advanced Tactical Riflescope[source] | Rear: rotating diopter drum; front: hooded post[source] |
|---|
| Country of origin | United Kingdom[source] | — |
|---|
| Manufacturer | Accuracy International[source] | Manurhin ( France ) INDEP ( Portugal ) FAMAE ( Chile )[source] |
|---|
| Type | — | Assault rifle (SG-540, SG-543) Carbine (SG-543) Battle Rifle (SG-542)[source] |
|---|
| Place of origin | — | Switzerland[source] |
|---|
| Designed | — | 1973–1977[source] |
|---|
| Produced | — | 1977–2002[source] |
|---|
| Reported operators | — |
|
|---|