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 | Sten |
|---|---|---|
| Type | Assault rifle Battle rifle[source]LMT Modular Ambidextrous Rifle System · Type | Submachine gun[source] |
| Place of origin | United States[source]LMT Modular Ambidextrous Rifle System · Place of origin | United Kingdom[source] |
| In service | 2015 - present[source]LMT Modular Ambidextrous Rifle System · In service | 1941–1960s (United Kingdom) 1941–present (other countries)[source] |
Length
762 mm (30.0 in)[source]
Effective; Effective firing range
Single source60 m (66 yd)[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 source196 mm (7.7 in)[source]
Muzzle velocity
Single sourcesuppressed models
Single source365 m/s (1,198 ft/s) 305 m/s (1,001 ft/s) (suppressed models)[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 |
Major Reginald V. Shepherd Harold J. Turpin[source] |
| Manufacturer | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Manufacturer | Royal Small Arms Factory Enfield BSA ROF Fazakerley ROF Maltby ROF Theale Berkshire Lines Brothers Ltd Long Branch Arsenal, Canada Various underground resistance group factories[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 | 9×19mm Parabellum[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 | Blowback-operated , 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 | 32-round detachable box magazine[source] |
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| Used by | — | See Users[source] |
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| Wars | — | World War II Second Sino-Japanese War Chinese Civil War Indonesian National Revolution First Indochina War Indo-Pakistan Wars 1948 Arab–Israeli War Malayan Emergency Korean War Mau Mau Uprising Algerian War Suez Crisis 1958 Lebanon crisis Cuban Revolution Annexation of Goa Portuguese Colonial War Sino-Indian War Vietnam War Indonesia–Malaysia confrontation Laotian Civil War Greek Civil War Bangladesh Liberation War Lebanese Civil War Angolan Civil War Rhodesian Bush War Turkish invasion of Cyprus IRA Border Campaign The Troubles Punjab insurgency Maluku sectarian conflict Iraq War Syrian Civil War[source] |
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| Designed | — | 1940[source] |
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| Unit cost | — | £2/6s in 1942 (equivalent to £94 in 2025 )[source] |
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| Produced | — | 1941–1945 (version dependent)[source] |
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| No. built | — | 3.7–4.6 million (all variants, depending on source)[source] |
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| Variants | — | Mk. I, II, IIS, III, IV, V, VI[source] |
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| Rate of fire | — | version dependent; c. 500–600 round/min[source] |
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| Sights | — | fixed peep rear, post front[source] |
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| Reported operators |
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