Loading the evidence…
Preparing your view.
Preparing your view.

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 | Steyr M |
|---|---|---|
| Type | Assault rifle Battle rifle[source]LMT Modular Ambidextrous Rifle System · Type | Semi-automatic pistol[source] |
| Place of origin | United States[source]LMT Modular Ambidextrous Rifle System · Place of origin | Austria[source] |
| In service | 2015 - present[source]LMT Modular Ambidextrous Rifle System · In service | — |
| Designer | Lewis Machine & Tool Company[source] |
Length
180 millimetre[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
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Friedrich Aigner, Wilhelm Bubits[source] |
| Manufacturer | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Manufacturer | Steyr Mannlicher[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 | 9×19mm Parabellum (L9-A1, M9, S9, M9-A1, L9-A2, M9-A2 S9-A1) 9×21mm (M9, S9, S9-A1—Italian market only) .40 S&W (L40-A1, M40, S40, M40-A1, S40-A1) .357 SIG (M357, M357-A1)[source] |
|---|
| Action | Gas-operated , rotating bolt (internal piston, not direct impingement ) or Short-stroke piston[source]LMT Modular Ambidextrous Rifle System · Action | Short recoil , locked breech[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 | 17 or 15-round box magazine available (M9-A1) 12-round box magazine (M40, M357) 10-round box magazine (S9, S40)[source] |
|---|
| Designed | — | 1999[source] |
|---|
| Produced | — | 1999–2026[source] |
|---|
| Variants | — | See Variants[source] |
|---|
| Sights | — | Fixed iron sights , trapezoid notch and triangular front blade[source] |
|---|
| Reported operators |
|
|
|---|