ASmall arms
AOR M21
Assault rifle Battle rifle ( M21-7 ) Designated marksman rifle ( M21-5 DMR Sniper )
FORCETALLY
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ASmall arms
Assault rifle Battle rifle ( M21-7 ) Designated marksman rifle ( M21-5 DMR Sniper )
Measured figures
Configuration
| Specification | AOR M21 | M60 machine gun |
|---|---|---|
| Type | Assault rifle Battle rifle ( M21-7 ) Designated marksman rifle ( M21-5 DMR Sniper )[source] | General-purpose machine gun Medium machine gun[source] |
| Place of origin | Greece[source] | United States[source] |
| Used by | Proposed to the Hellenic Army[source] | See Users[source] |
| Designed | 2019[source] | 1952–1957 |
Mass
Single source10.5 kg (23.15 lb)[source]
Barrel length
Single source560 mm (22.0 in)[source]
Rate of fire
Single source550–650 rounds/min[source]
Muzzle velocity
Single source2,800 ft/s (853 m/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Manufacturer | AOR[source] | Saco Defense U.S. Ordnance[source] |
|---|
| Produced | 2020-Present[source] | 1957–present[source] |
|---|
| No. built | Unknown[source] | — |
|---|
| Cartridge | 5.56×45mm NATO 7.62×51mm NATO[source] | 7.62×51mm NATO[source] |
|---|
| Feed system | 30 round STANAG magazine[source] | Disintegrating belt with M13 Links[source] |
|---|
| Sights | Iron[source] | Iron sights[source] |
|---|
| In service | — | 1960–present[source] |
|---|
| Wars | — | 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] |
|---|
| Unit cost | — | US$6,000 (M60E3)[source] |
|---|
| Variants | — | See Variants[source] |
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| Action | — | Gas-operated , short-stroke gas piston, opened rotating bolt[source] |
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| Reported operators | — |
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