FORCETALLY
Loading the evidence…
Preparing your view.
Preparing your view.
At a glance
Measured figures
XM177E1, stock extended
Single sourceXM177E1, stock retracted
Single sourceXM177E2, stock extended
Single sourceXM177E2, stock retracted
Single source31 in (790 mm) (XM177E1, stock extended) 28.3 in (720 mm) (XM177E1, stock retracted) 32.5 in (830 mm) (XM177E2, stock extended) 29.8 in (760 mm) (XM177E2, stock retracted)[source]
LMT Modular Ambidextrous Rifle System · Length · "Maximum"
Single source914 mm (36.0 in) ("Maximum")[source]LMT Modular Ambidextrous Rifle System · Length
Effective; Effective firing range
Single source400 m (440 yd)[source]
XM177E1
Single sourceXM177E2
Single source10 in (250 mm) (XM177E1) 11.5 in (290 mm) (XM177E2)[source]
L129A2 exact named variant; not a sibling record · Barrel length
Single sourceStgw 25 exact named variant; not a sibling record · Barrel length
Single sourceXM177E1
Single sourceXM177E2
Single source2,650 ft/s (810 m/s) (XM177E1) 2,750 ft/s (840 m/s) (XM177E2)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | CAR-15 | LMT Modular Ambidextrous Rifle System |
|---|---|---|
| Type | Assault rifle Carbine[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 | 1966–1998 (US service) 1966–present (other countries)[source] | 2015 - present[source]LMT Modular Ambidextrous Rifle System · In service |
| Wars | Vietnam War Laotian Civil War Cambodian Civil War Sino-Vietnamese War Lebanese Civil War Operation Eagle Claw 1982 Lebanon war Salvadoran Civil War Guatemalan Civil War United States invasion of Grenada United States invasion of Panama Gulf War[source] | — |
| Manufacturer | Colt Defense[source] | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Manufacturer |
| Variants | XM177 (R610 in US Army service) XM177E1 (R609 in US Army service) XM177E2 (R629 in US Army service) GAU-5/A (R609 in US Air Force service) GAU-5A/A (R649 in US Air Force service)[source] | — |
| Cartridge | 5.56×45mm NATO , .223 Remington[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 | 30-round box magazine or other STANAG magazines .[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 | Iron sights or various optics[source] | — |
| Designer | — | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Designer |
| Reported operators | — |
|
Stgw 25K exact named variant; not a sibling record · Barrel length
Single source