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At a glance
Measured figures
Effective; Effective firing range
Single source600 m - 800 m[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 · source measurement 1
Single sourceBarrel length · source measurement 2
Single source24 in. (610 mm)[source]
Caliber
Single source5.56 mm (.223 in)[source]
Muzzle velocity
Single source2,953 ft/s (900 m/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | LMT Modular Ambidextrous Rifle System | Marine Scout Sniper Rifle |
|---|---|---|
| Type | Assault rifle Battle rifle[source]LMT Modular Ambidextrous Rifle System · Type | Designated marksman rifle[source] |
| Place of origin | United States[source]LMT Modular Ambidextrous Rifle System · Place of origin | Philippines[source] |
| In service | 2015 - present[source]LMT Modular Ambidextrous Rifle System · In service | 1996–present[source] |
| Designer | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Designer | Lieutenant Colonel Roberto Emmanuel T. Feliciano and Colonel Jonathan C. Martir ( Philippine Marine Corps )[source] |
| Manufacturer | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Manufacturer | Philippine Marine Corps (historical) Government Arsenal (current)[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 , closed rotating bolt , Stoner bolt and carrier piston[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 | 20 - 30 round STANAG Magazines .[source] |
| Used by | — | Philippine Marine Corps Naval Special Operations Group[source] |
| Wars | — | Anti-guerrilla operations in Visayas and Mindanao[source] |
| Designed | — | 1996[source] |
| Produced | — | 1996[source] |
| Variants | — | See Variants[source] |
| Sights | — | Any Picatinny rail -compatible scope/sights[source] |
| Reported operators |
| — |