|Place of origin||United States|
|Action||Gas-actuated, rotating bolt|
|Muzzle velocity||790 m/s (2,592 ft/s)|
The MARS (Mini Assault Rifle System) was an experimental, scaled-down variant of the M16 rifle tested by Colt as a personal defense weapon (PDW) in the 1990s. It was chambered for the experimental 5.56×30mm MARS cartridge. The 5.56×30mm cartridge fired a 55-grain projectile at 790 m/s (2,591.9 ft/s). The rifle was patented in 1998 (US patent no. 5,827,992).
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