The Robinson Armament XCR-L in 5.45x39mm is a modular multi-caliber rifle with a long-stroke gas piston operating system, accepting AK-74-pattern magazines for the Soviet caliber. The XCR-L can be converted between 5.45x39mm, 5.56mm, and 6.8 SPC by changing the barrel, bolt, and magazine. Type: Rifle Action: Semi-Automatic Caliber: 5.45x39mm Capacity: 30 Year introduced: 2006, USA Weight: 80 oz Overall length: 34" Status: Active Intended use: Military Replacement, Hunting, Multi-Caliber