Credit
TheTranc · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified
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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 | BR18 | LMT Modular Ambidextrous Rifle System |
|---|---|---|
| Type | Bullpup assault rifle[source] | Assault rifle Battle rifle[source]LMT Modular Ambidextrous Rifle System · Type |
| Place of origin | Singapore[source] | United States[source]LMT Modular Ambidextrous Rifle System · Place of origin |
| Designer | Advanced Material Engineering[source] | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Designer |
| Designed | 2012–2014 (Prototypes) 2017 (Preproduction models) |
LMT Modular Ambidextrous Rifle System · Mass · Empty
Single source3.3kg (empty)[source]LMT Modular Ambidextrous Rifle System · Mass
Rate of fire
Single source700–900 rounds/min[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
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
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| Manufacturer | ST Engineering (formerly ST Kinetics)[source] | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Manufacturer |
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| Produced | 2018–present[source] | — |
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| Variants | See Variants for details[source] | — |
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| Cartridge | 5.56×45mm 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 , rotating bolt[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 | 10-, 20- or 30-round detachable STANAG magazine or SAR-21 magazines[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 | Any scopes/tactical aiming device compatible with the picatinny railing Built-in iron sights[source] | — |
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| In service | — | 2015 - present[source]LMT Modular Ambidextrous Rifle System · In service |
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| Reported operators | — |
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