FORCETALLY
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At a glance
Measured figures
LMT Modular Ambidextrous Rifle System · Length · "Maximum"
Single source914 mm (36.0 in) ("Maximum")[source]LMT Modular Ambidextrous Rifle System · Length
Configuration
| Specification | LMT Modular Ambidextrous Rifle System | M240 machine gun |
|---|---|---|
| Type | Assault rifle Battle rifle[source]LMT Modular Ambidextrous Rifle System · Type | General-purpose machine gun Medium machine gun[source] |
| Place of origin | United States[source]LMT Modular Ambidextrous Rifle System · Place of origin | Belgium (designed) United States (manufactured)[source] |
| In service | 2015 - present[source]LMT Modular Ambidextrous Rifle System · In service | 1977–present[source] |
Length
49.7 in (1,260 mm)[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
Barrel length
Single source24.8 in (630 mm)[source]
Gas setting 3
Single sourceGas setting · source measurement 2
Single sourceGas setting · source measurement 3
Single sourceSingle port
Single source550–650 rounds/min: Single port 650–750 rounds/min: Gas setting 1 750–850 rounds/min: Gas setting 2 850–950 rounds/min: Gas setting 3[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.
| Designer | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Designer | Ernest Vervier[source] |
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| Manufacturer | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Manufacturer | FN America U.S. Ordnance Barrett Firearms Manufacturing Daycraft Systems[source] |
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| Cartridge | 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 | 7.62×51mm NATO[source] |
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| Action | Gas-operated , rotating bolt (internal piston, not direct impingement ) or Short-stroke piston[source]LMT Modular Ambidextrous Rifle System · Action | Gas-operated long-stroke piston , open bolt[source] |
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| Feed system | 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 | Belt-fed using M13 disintegrating links , 50-round ammo pouch, or non-disintegrating DM1 belt[source] |
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| Used by | — | See Users[source] |
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| Wars | — | Operation Urgent Fury Operation Just Cause First Liberian Civil War Gulf War War in Afghanistan Iraq War Syrian Civil War War in Iraq (2013–2017) Russo-Ukrainian War[source] |
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| Designed | — | 1950s[source] |
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| Unit cost | — | US$6,600[source] |
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| Produced | — | 1977–present[source] |
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| Variants | — | See Variants[source] |
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| Sights | — | Iron sights : front blade and folding rear leaf with aperture and notch[source] |
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| Reported operators |
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