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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 | M7 rifle |
|---|---|---|
| Type | Assault rifle Battle rifle[source]LMT Modular Ambidextrous Rifle System · Type | Assault rifle Battle rifle Carbine[source] |
| Place of origin | United States[source]LMT Modular Ambidextrous Rifle System · Place of origin | United States[source] |
| In service | 2015 - present[source]LMT Modular Ambidextrous Rifle System · In service | 2022–present[source] |
| Designer |
M7 with suppressor
Single sourceXM8 with suppressor
Single sourceM7: 36 in (914 mm) (with suppressor) XM8: 32.79 in (833 mm) (with suppressor)[source]
LMT Modular Ambidextrous Rifle System · Mass · Empty
Single source3.3kg (empty)[source]LMT Modular Ambidextrous Rifle System · Mass
M7
Single sourceM7 PIE
Single sourceM7 with suppressor
Single sourceXM8
Single sourceXM8 with suppressor
Single sourceM7: 8.38 lb (3.80 kg) 9.84 lb (4.46 kg) (with suppressor ) M7 PIE: 7.6 lb (3.4 kg) XM8: 7.3 lb (3.3 kg) 8.8 lb (4 kg) (with suppressor)[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
M7
Single sourceXM8
Single sourceM7: 13.5 in (343 mm) XM8: 10.5 in (267 mm)
Muzzle velocity
Single source915 m/s (3,000 ft/s)[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 |
| — |
| Manufacturer | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Manufacturer | SIG Sauer[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 | 6.8×51mm Common Cartridge ( .277 Fury )[source] |
|---|
| Action | Gas-operated , rotating bolt (internal piston, not direct impingement ) or Short-stroke piston[source]LMT Modular Ambidextrous Rifle System · Action | Short-stroke gas-operated piston , rotating bolt system[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-, 25-round SR-25 pattern magazines[source] |
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| Used by | — | United States Army[source] |
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| Designed | — | 2019[source] |
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| Variants | — | See Variants[source] |
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| Reported operators |
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