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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 | SAR 21 |
|---|---|---|
| Type | Assault rifle Battle rifle[source]LMT Modular Ambidextrous Rifle System · Type | Bullpup assault rifle[source] |
| Place of origin | United States[source]LMT Modular Ambidextrous Rifle System · Place of origin | Singapore[source] |
| In service | 2015 - present[source]LMT Modular Ambidextrous Rifle System · In service | 1999–present[source] |
| Designer |
SAR 21 Light Weight Carbine
Single sourceSAR 21 MMS
Single sourceSAR 21, SAR 21 40 GL/M203, SAR 21 P-Rail
Single source805 mm (31.7 in) (SAR 21, SAR 21 40 GL/M203, SAR 21 P-Rail) 680 mm (26.8 in) (SAR 21 MMS) 640 mm (25.2 in) (SAR 21 Light Weight Carbine)[source]
LMT Modular Ambidextrous Rifle System · Mass · Empty
Single source3.3kg (empty)[source]LMT Modular Ambidextrous Rifle System · Mass
GL/M203 SAR 21
Single sourceP-Rail
Single sourceSAR 21 Light Weight Carbine
Single sourceSAR 21 MMS
Single sourceSAR 21 SAR 21
Single source• SAR 21: 4 kg (8.82 lb) • SAR 21 GL/M203: 5.3 kg (12 lb) • SAR 21 P-Rail: 3.6 kg (7.9 lb) • SAR 21 MMS: 3.5 kg (7.7 lb) • SAR 21 Light Weight Carbine 3 kg (6.6 lb)[source]
Effective; M193
Single sourceEffective; SS109
Single source460 m (M193) 800 m (SS109)[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 source508 mm (20.0 in)[source]
Caliber
Single source5.56 mm (0.22 in)[source]
Rate of fire
Single source450–650 rounds/min[source]
M193
Single sourceSS109
Single source970 m/s (3,182 ft/s) (M193) 945 m/s (3,100.4 ft/s) (SS109)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Designer |
Tuck Wah Chee and Felix Tsai of Chartered Industries of Singapore / ST Kinetics[source] |
| Manufacturer | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Manufacturer | • CIS: 1999–2000 • ST Kinetics : 2000–present[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 | 5.56×45mm 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 , rotating 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 | 30-round detachable plastic box magazine Export models: STANAG magazines[source] |
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| Used by | — | See Users[source] |
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| Designed | — | 1996[source] |
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| Produced | — | 1999–present[source] |
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| Variants | — | See variants[source] |
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| Barrels | — | Single barrel 1:12" and 1:7" twist options[source] |
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| Sights | — | 1.5x or 3x optical sight; back-up iron sights[source] |
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| Reported operators |
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