Specifications for the
Select-Fire Automatic Rifle
Country of Origin: United States
Manufacturer: Sturm, Ruger & Company - USA
Initial Year of Service: 1980
Overall Length: 984 mm (38.74 in)
Barrel Length: 470.00 mm (18.50 in)
Weight (Empty): 6.37 lb (2.89 kg)
Action: Gas-Operated, Rotating Bolt; Select-Fire
Feed: 20- or 30-Round Detachable Box Magazine
Muzzle Velocity: 3,400 ft/sec (1,036 m/sec)
Rate-of-Fire: 750 rounds per minute
Range: 656 ft (200 m; 219 yds)
Sights: Iron front and rear
* Listed caliber(s) for firearms may be model dependent if more than one model type/chambering was produced. Always consult official manufacturer's information or a licensed dealer.
AC-556 - Initial Production Model Designation; solid wood stock.