Colt 9mm SMG
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The Colt 9mm SMG, also known as the Colt Model 635 or Colt M635, is a 9×19mm Parabellum submachine gun manufactured by Colt, based on the M16 rifle. Wikipedia
Action: blowback, closed bolt
Effective firing range: 100 m
Feed system: 20- and 32-round detachable box magazine; 100-round Beta C-Mag
In service: 1982–present
Length: 730 mm (28.9 in) (stock extended) 650 mm (25.6 in) (stock retracted)
Mass: 2.61 kg (5.75 lb) w/o magazine
Muzzle velocity: 396 m/s (1300) ft/s)