The Arsenal SLR-107CR is the chrome-lined barrel variant of the SLR-107 series, featuring a bore treated with a chromium lining for enhanced corrosion resistance and extended service life under heavy use. The CR designation specifically indicates the chrome-lined bore. Preferred by buyers who plan sustained fire use, wet-environment storage, or overseas deployment. The chrome lining extends barrel life by approximately 3-4x compared to unlined steel. Type: Rifle Action: Semi-Automatic Caliber: 7.62x39mm Capacity: 30 Year introduced: 2009, USA/Bulgaria Weight: 76.5 oz Overall length: 36.5" Status: Active Intended use: sporting, service, patrol