Credit
Joe Loong · CC BY-SA 2.0 · Resized · CC BY-SA 2.0 · Source ↗ · Modified
FORCETALLY
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At a glance
Measured figures
M40A1
Single sourceM40A3
Single sourceConfiguration
| Specification | M40 rifle | M60 machine gun |
|---|---|---|
| Type | Sniper rifle[source] | General-purpose machine gun Medium machine gun[source] |
| Place of origin | United States[source] | United States[source] |
| In service | 1966–present[source] | 1960–present[source] |
| Used by | United States[source] | See Users[source] |
M40A1: 1,117 mm (43.97 in) M40A3: 1,124 mm (44.25 in)[source]
Length
Single source1,105 mm (43.5 in)[source]
(1:12 right hand twist) M40A1: Hart (6 lands and grooves) M40A3: Schneider Match Grade SS No. 7 (6 lands and grooves)
Single source635 mm (25 in) (1:12 right hand twist) M40A1: Hart (6 lands and grooves) M40A3: Schneider Match Grade SS No. 7 (6 lands and grooves)[source]
Barrel length
Single source560 mm (22.0 in)[source]
Caliber
Single source7.62 mm (0.308 in)[source]
Rate of fire
Single source550–650 rounds/min[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Wars | Vietnam War Lebanese Civil War Invasion of Grenada Gulf War War in Afghanistan Iraq War[source] | Vietnam War Laotian Civil War Dominican Civil War Cambodian Civil War Moro conflict The Troubles Lebanese Civil War Cambodian–Vietnamese War Sino-Vietnamese War Salvadoran Civil War Operation Urgent Fury Operation Just Cause Persian Gulf War Operation Gothic Serpent War in Afghanistan Iraq War Cambodian–Thai border stand-off Colombian armed conflict Insurgency in the Philippines Bougainville conflict Myanmar conflict various others[source] |
|---|
| Designer | Remington Arms[source] | — |
|---|
| Designed | 1966[source] | 1952–1957[source] |
|---|
| Produced | 1966–present[source] | 1957–present[source] |
|---|
| Variants | M40A1 M40A3 M40A5[source] | See Variants[source] |
|---|
| Cartridge | 7.62×51mm NATO[source] | 7.62×51mm NATO[source] |
|---|
| Action | Bolt action[source] | Gas-operated , short-stroke gas piston, opened rotating bolt[source] |
|---|
| Feed system | 5-round integral box magazine (M40, M40A1, M40A3) 10-round removable box magazine (M40A5)[source] | Disintegrating belt with M13 Links[source] |
|---|
| Sights | Scout Sniper Day Scope (SSDS)—Schmidt and Bender PM II 3–12×50.[source] | Iron sights[source] |
|---|
| Manufacturer | United States Marine Corps[source] | Saco Defense U.S. Ordnance[source] |
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| Unit cost | — | US$6,000 (M60E3)[source] |
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| Reported operators |
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