Specifications for the
Country of Origin: United States
Manufacturer: Sturm, Ruger & Company, Incorporated - USA
Initial Year of Service: 2009
Overall Length: 910 mm (35.83 in)
Barrel Length: 409.00 mm (16.10 in)
Weight (Empty): 7.94 lb (3.60 kg)
Caliber*: .223 Remington; 5.56x45mm NATO; 6.8mm Remington SPC
Action: Gas-Operated, Rotating Bolt; Semi-Automatic
Feed: 30-round detachable box magazine
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.
SR-556 - Base Series Designation; civilian-minded semi-automatic-fire-only.