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 | M203 grenade launcher |
|---|---|---|
| Type | Assault rifle Battle rifle[source]LMT Modular Ambidextrous Rifle System · Type | Grenade launcher[source] |
| Place of origin | United States[source]LMT Modular Ambidextrous Rifle System · Place of origin | United States[source] |
| In service | 2015 - present[source]LMT Modular Ambidextrous Rifle System · In service | 1969–present[source] |
M203A1
Single sourceM203/M203A2
Single sourceM203/M203A2: 15 in (380 mm) M203A1: 12 in (305 mm)[source]
Effective; 382 yds ( ) fire-team sized area target; 164 yds (
Single sourceEffective; ) vehicle or weapon point target
Single sourceMaximum; 437 yds (
Single source382 yds (350 m) fire-team sized area target; 164 yds (150 m) vehicle or weapon point target[source]
437 yds (400 m)[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
M203A1
Single sourceM203/M203A2
Single sourceMuzzle velocity
Single source250 ft/s (76 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 |
AAI[source] |
| Manufacturer | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Manufacturer | Colt Defense Diemaco Airtronic USA RM Equipment U.S. Ordnance Knight's Armament Company Lewis Machine & Tool Company[source] |
|---|
| 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 | 40×46mm SR[source] |
|---|
| Action | Gas-operated , rotating bolt (internal piston, not direct impingement ) or Short-stroke piston[source]LMT Modular Ambidextrous Rifle System · Action | Single shot[source] |
|---|
| 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 | — |
|---|
| Used by | — | See Users[source] |
|---|
| Wars | — | Vietnam War Laotian Civil War Cambodian Civil War Civil conflict in the Philippines Sino-Vietnamese War Cambodian–Vietnamese War Sino-Vietnamese conflicts (1979–1991) Third Indochina War Soviet–Afghan War Falklands War Gulf War War in Afghanistan (2001–2021) Iraq War War in Iraq (2013–2017) Syrian Civil War Gaza war Russian invasion of Ukraine 2025 Cambodia-Thailand conflict[source] |
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| Designed | — | 1967–68[source] |
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| Unit cost | — | US$1,082[source] |
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| Produced | — | 1969–present[source] |
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| Variants | — | See Variants[source] |
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| Rate of fire | — | 5 to 7 round/min aimed shots 15 to 17 round/min area suppression[source] |
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| Sights | — | Quadrant sight or ladder sight on rifle[source] |
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| Reported operators |
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M203/M203A2: 12 in (305 mm) M203A1: 9 in (230 mm)[source]