NEW OLD INVENTORY Ikon Weapons- AR223R Action & Receiver: Semi-automatic, long-stroke gas piston system built on an imported original Micro Galil kit. The receivers are machined from 4140 milled steel on state-of-the-art CNC machines and heat-treated in-house to 45 Rockwell. Barrel: 13.7" pin and weld crafted from 41V50 steel (often Green Mountain blanks) with a 1:7 right-hand twist rate optimized for 5.56 NATO/.223 Remington rounds. Sights: Comes with a hooded front post and a two-position flip-up rear peep sight. Furniture: Equipped with a classic right-side folding tubular steel stock, a serrated polymer handguard, and a stippled polymer pistol grip. Finish: Factory finished in Cerakote H-Series Black for maximum corrosion resistance. Exclusives: Ikon Weapons includes a proprietary self-extracting metal chamber flag with their firearms.