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At a glance
Measured figures
Configuration
| Specification | KS-1 rifle | LMT Modular Ambidextrous Rifle System |
|---|---|---|
| Type | Assault rifle[source] | Assault rifle Battle rifle[source]LMT Modular Ambidextrous Rifle System · Type |
| Place of origin | United States[source] | United States[source]LMT Modular Ambidextrous Rifle System · Place of origin |
| In service | 2023–present[source] | 2015 - present[source]LMT Modular Ambidextrous Rifle System · In service |
| Used by |
30.3″ (77cm) to 33.5″ (85.1cm)[source]
LMT Modular Ambidextrous Rifle System · Length · "Maximum"
Single source914 mm (36.0 in) ("Maximum")[source]LMT Modular Ambidextrous Rifle System · Length
Barrel length
Single sourceBarrel length · source measurement 1
Single sourceBarrel length · source measurement 2
Single sourceBarrel length · source measurement 3
Single sourceBarrel length · source measurement 4
Single source292.1 mm (11.5 in), 347.98 mm (13.7 in), 368.3 mm (14.5 in), 406.4 mm (16.0 in)[source]
13.7″ (34.8cm)[source]
13.7″ (34.8cm)[source]
L129A2 exact named variant; not a sibling record · Barrel length
Single sourceStgw 25 exact named variant; not a sibling record · Barrel length
Single sourceBars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
British Armed Forces Republic of Korea Armed Forces[source]
| — |
| Designed | 2022[source] | — |
|---|
| Manufacturer | Knight's Armament Company[source] | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Manufacturer |
|---|
| Produced | 2022–present[source] | — |
|---|
| 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 |
|---|
| Action | Gas-operated , closed rotating bolt , Stoner bolt and carrier piston[source] | Gas-operated , rotating bolt (internal piston, not direct impingement ) or Short-stroke piston[source]LMT Modular Ambidextrous Rifle System · Action |
|---|
| Feed system | STANAG magazine[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 |
|---|
| Sights | Folding Back-Up Iron Sights[source] | — |
|---|
| Designer | — | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Designer |
|---|
| Reported operators |
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Stgw 25K exact named variant; not a sibling record · Barrel length
Single source