SIG Sauer MCX-R Regulator semi-automatic rifle chambered in 5.56 NATO with a 16-inch barrel and short-stroke gas piston operating system. Features a Coyote finish, M-LOK handguard, Magpul SGA stock, ambidextrous controls, and a two-stage trigger. Equipped with a Vortex Crossfire II 1-4x24 riflescope mounted in Vortex rings, a muzzle device, and an Amend2 magazine. Shows light handling marks and minor finish wear, including scratches along the lower receiver. Manufacturer: SIG Sauer Model: MCX-R Regulator Caliber: 5.56 NATO Action: Semi-Automatic Capacity: 30 Rounds Barrel Length: 16" Operating System: Short-Stroke Gas Piston Finish: Coyote Stock: Magpul SGA Handguard: M-LOK Optic: Vortex Crossfire II 1-4x24 Magazine: Amend2 Detachable Magazine Cosmetic Condition: Very Good - Light handling marks and minor finish scratches Mechanical Condition: Functions Properly Bore Condition: Good