Credit
Zajje · CC BY-SA 4.0 · Resized · CC BY-SA 4.0 · Source ↗ · Modified
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At a glance
Measured figures
Length · source measurement 1
Single sourceLength · source measurement 2
Single sourceConfiguration
| Specification | GAU-19 | LMT Modular Ambidextrous Rifle System |
|---|---|---|
| Type | Rotary heavy machine gun[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 |
| Used by | See History[source] | — |
| Designer | General Electric[source] | Lewis Machine & Tool Company |
53.9 in. (1,369 mm)[source]
LMT Modular Ambidextrous Rifle System · Length · "Maximum"
Single source914 mm (36.0 in) ("Maximum")[source]LMT Modular Ambidextrous Rifle System · Length
Width · source measurement 1
Single sourceWidth · source measurement 2
Single source13.5 in. (343 mm)[source]
Height · source measurement 1
Single sourceHeight · source measurement 2
Single source15 in. (381 mm)[source]
GAU-19/A · source measurement 1
Single sourceGAU-19/A · source measurement 2
Single sourceGAU-19/B · source measurement 3
Single sourceGAU-19/B · source measurement 4
Single sourceGAU-19/A:138 lbs. (63kg) GAU-19/B:106 lbs. (48kg)[source]
LMT Modular Ambidextrous Rifle System · Mass · Empty
Single source3.3kg (empty)[source]LMT Modular Ambidextrous Rifle System · Mass
Barrel length · source measurement 1
Single sourceBarrel length · source measurement 2
Single source36 in. (914 mm)[source]
L129A2 exact named variant; not a sibling record · Barrel length
Single sourceStgw 25 exact named variant; not a sibling record · Barrel length
Single source1,000, 1,300 or
Single source1,000, 1,300 or 2,000 rounds per minute[source]
Muzzle velocity
Single source2,910 fps (887 m/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Manufacturer | Fulcrum Concepts[source] | Lewis Machine & Tool Company[source]LMT Modular Ambidextrous Rifle System · Manufacturer |
|---|
| Produced | GAU-19/A: 1983–present GAU-19/B: 2012–present[source] | — |
|---|
| Variants | 3-barrel or 6-barrel[source] | — |
|---|
| Cartridge | .50 BMG (12.7×99mm 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 |
|---|
| Barrels | 3 or 6[source] | — |
|---|
| Action | Electric[source] | Gas-operated , rotating bolt (internal piston, not direct impingement ) or Short-stroke piston[source]LMT Modular Ambidextrous Rifle System · Action |
|---|
| Feed system | linkless or M9 linked belt[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 |
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| In service | — | 2015 - present[source]LMT Modular Ambidextrous Rifle System · In service |
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| Reported operators |
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Stgw 25K exact named variant; not a sibling record · Barrel length
Single source