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At a glance
Measured figures
Length
Single source1,050 mm (41.3 in)[source]
LMT Modular Ambidextrous Rifle System · Length · "Maximum"
Single sourceConfiguration
| Specification | ArmaLite AR-10 | LMT Modular Ambidextrous Rifle System |
|---|---|---|
| Type | Battle rifle[source] | Assault rifle Battle rifle[source]LMT Modular Ambidextrous Rifle System · Type |
| Place of origin | United States[source] | United States[source]LMT Modular Ambidextrous Rifle System · Place of origin |
| In service | 1960–1976 ( Portugal ) 1958–1985 ( Sudan )[source] | 2015 - present[source]LMT Modular Ambidextrous Rifle System · In service |
914 mm (36.0 in) ("Maximum")[source]LMT Modular Ambidextrous Rifle System · Length
Effective; Effective firing range
Single sourceEffective; with A.I. 3.6× telescopic sight
Single source600 m (660 yd) (700 m (770 yd) with A.I. 3.6× telescopic sight)[source]
Barrel length
Single source528 mm (20.8 in)[source]
L129A2 exact named variant; not a sibling record · Barrel length
Single sourceStgw 25 exact named variant; not a sibling record · Barrel length
Single sourceStgw 25K exact named variant; not a sibling record · Barrel length
Single source18 in (457 mm)[source]L129A2 exact named variant; not a sibling record
16 in (406 mm)[source]Stgw 25 exact named variant; not a sibling record
12 in (305 mm)[source]Stgw 25K exact named variant; not a sibling record
(fully automatic), variable (semi-automatic)
Single source700 rounds/min (fully automatic), variable (semi-automatic)[source]
Muzzle velocity
Single source820 m/s (2,690 ft/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Used by | See AR-10 purchasers by country[source] | — |
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| Wars | Portuguese Colonial War First Sudanese Civil War Dominican Civil War Operation Seroja Second Sudanese Civil War Militias-Comando Vermelho conflict[source] | — |
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| Designer | Eugene Stoner[source] | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Designer |
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| Manufacturer | ArmaLite Artillerie-Inrichtingen (AI) Colt's Manufacturing Company[source] | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Manufacturer |
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| Produced | 1956–present[source] | — |
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| No. built | 9,900[source] | — |
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| Cartridge | 7.62×51mm NATO[source] | 5.56×45mm NATO 7.62×51mm NATO 6.5mm Creedmoor[source]LMT Modular Ambidextrous Rifle System · Cartridge The MARS-L (light) assault rifle variants are chambered for the 5.56×45mm NATO intermediate cartridge , and the MARS-H (heavy) battle rifle and designated marksman rifle variants for the 7.62×51mm NATO , 6.5 mm Creedmoor or similar fully powered cartridges .[source]Design · explicit MARS-L/MARS-H cartridge scope MARS-H based designated marksman variant, chambered in 6.5 mm Creedmoor .[source]L129A2 · explicit MARS-L/MARS-H cartridge scope Swiss MARS-H-based designated marksman rifle chambered in 7.62×51mm NATO.[source]7.62mm Zf Stgw 20 · explicit MARS-L/MARS-H cartridge scope LMT's MRGG-A is a member of its Modular Ambidextrous Rifle System-Heavy (MARS-H) family, which are commonly described as AR-10-style rifles, but is chambered to fire the 6.5mm Creedmoor round.[source]MK24 Mid-Range Gas Gun-Assault · explicit MARS-L/MARS-H cartridge scope |
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| Action | Gas-operated , closed rotating bolt , Stoner bolt and carrier piston[source] | Gas-operated , rotating bolt (internal piston, not direct impingement ) or Short-stroke piston[source]LMT Modular Ambidextrous Rifle System · Action |
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| Feed system | 20-round detachable box magazine[source] | 5.56×45mm NATO : 30-round detachable box magazine 7.62×51mm NATO 20-round detachable box magazine[source]LMT Modular Ambidextrous Rifle System · Feed system |
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| Sights | Adjustable aperture rear sight , fixed post front sight[source] | — |
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| Reported operators | — |
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