SN: 592-07376. Modern production, 5.56 NATO with a 16.1″ barrel w/flash hider. Bore is excellent. Semi-auto piston-driven tactical rifle with a Pinty 4-16X50 EG scope/green-dot optic & laser module, collapsible bi-pod vertical foregrip, Ruger rail covers, adjustable gas-block, matte black finish, and Magpul collapsible stock. Finish shows faint marks. Overall condition is very good.