Chilean military assault rifle manufactured under license from Manurhin (later SIG) as the SIG SG 540. Standard service rifle of the Chilean Army for decades, also exported to numerous Latin American and African militaries. Type: Rifle Action: Select-Fire Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 1981, Chile Weight: 104 oz Overall length: 43.5" Status: Active Intended use: Military, Law Enforcement