The Radian Weapons R0858 Model 1 is a semi-auto AR rifle chambered in 6mm ARC with an 18-inch barrel. This configuration features fully ambidextrous controls, including an ambidextrous safety lever and a Radian Raptor-SD suppressor-optimized ambidextrous charging handle.Key FeaturesAmbidextrous Controls: The rifle includes fully ambidextrous controls for increased versatility.Cerakoted Finish: The upper receiver, lower receiver, and handguard are Cerakoted for a perfect color match.Handguard: Features an extended aluminum hand guard with the Magpul M-LOK Modular Mounting System and integrated upper handguard.Safety Selector: Equipped with a Radian Talon Modular Ambidextrous 45/90 safety selector.Trigger: Includes an ATC AR Gold Match grade trigger for enhanced performance.Receiver Extension: Features a 6-position Mil-Spec receiver extension with a QD end plate.