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 | Ultimax 100 |
|---|---|---|
| Type | Assault rifle Battle rifle[source]LMT Modular Ambidextrous Rifle System · Type | Light machine gun , Squad automatic weapon[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 | 1982–present[source] |
| Designer |
Mark 2 with buttstock
Single sourceMark 2 w/o buttstock
Single sourceMark 3 with buttstock
Single sourceMark 3 w/o buttstock
Single sourceMark 2: 1,030 mm (40.6 in) with buttstock, 800 mm (31.5 in) w/o buttstock Mark 3: 1,024 mm (40.3 in) with buttstock, 810 mm (31.9 in) w/o buttstock[source]
LMT Modular Ambidextrous Rifle System · Mass · Empty
Single source3.3kg (empty)[source]LMT Modular Ambidextrous Rifle System · Mass
Mark 2
Single sourceMark 3
Single sourceMark 3 when loaded 100 rounds
Single sourceMark 2: 4.75 kg (10.47 lb) Mark 3: 4.90 kg (10.8 lb) 6.8 kg (15 lb) when loaded 100 rounds[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
Standard
Single sourceUltimax 100 para
Single sourceCaliber
Single source5.56 mm (0.22 in)[source]
Rate of fire
Single source400–600 rounds/min[source]
M193 cartridge
Single sourceSS109/M855 cartridge
Single source970 m/s (3,182 ft/s) (M193 cartridge) 945 m/s (3,100.4 ft/s) (SS109/M855 cartridge)[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 |
L. James Sullivan for Chartered Industries of Singapore (CIS, now ST Kinetics )[source] |
| Manufacturer | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Manufacturer | CIS: 1982–2000 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] |
|---|
| 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] |
|---|
| 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 | 100-round drum magazine or 30-round STANAG M16 box magazine Mark 9: belt-fed or STANAG magazine[source] |
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| Used by | — | See Users[source] |
|---|
| Wars | — | Sri Lankan Civil War Bougainville conflict Yugoslav Wars Anti-guerrilla operations in Indonesia & the Philippines 2006 Fijian coup d'état Solomon Islands coup War in Afghanistan[source] |
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| Designed | — | 1978[source] |
|---|
| Produced | — | 1982–present[source] |
|---|
| No. built | — | ~80,000[source] |
|---|
| Variants | — | See variants[source] |
|---|
| Barrels | — | Single barrel (progressive RH parabolic twist, 6 grooves)[source] |
|---|
| Sights | — | Rear aperture sight and front post 472 mm (18.6 in) sight radius[source] |
|---|
| Reported operators |
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Standard: 508 mm (20.0 in) Ultimax 100 para: 330 mm (13.0 in)[source]