For sale is a Nemo Arms XO-21 Executive Order semi-automatic rifle chambered in .308 Winchester. This tungsten gray billet AR-10-style rifle features a free-float M-Lok handguard, muzzle brake, adjustable Magpul-style stock, and a mounted Vortex Viper PST scope. It includes a bipod. Key Specifications: Manufacturer: Nemo Arms Model: XO-21 Executive Order (Multi-Cal) Caliber: .308 Win Action: Semi-automatic Capacity: 20+1 (standard) Finish: Tungsten gray Features: M-Lok free-float handguard, muzzle brake, ambidextrous controls, Vortex Viper PST scope, bipod Serial Number: XONI 00121 UPC: 856458004851 (common for similar XO .308 configurations; exact match may vary for this specific build) Condition: Used. Shows normal handling and light wear consistent with use. The rifle is mechanically sound. Sold as-is in good overall condition, with the scope and bipod mounted. The Nemo Arms Executive Order is a premium, precision-built AR-10 platform known for its quality billet construction, reliable performance, and reduced recoil design. The mounted Vortex scope and bipod make it ready for hunting or long-range use.