AR-15 with the following specs: 1/9 twist 5.56 NATO HBar (heavy barrel) profile barrel, 6 position adjustable stock, A2 birdcage flash hider, Carbine length gas system, mid length free float aluminum quad rail handguard. Comes with (1) new 30 round magpul magazine. Ready for optics or removable iron sights. Message here if you have any questions. The one I have now has a Spikes Punisher lower. Thanks for looking. I build and collect these and from time to time I sell one to fund other projects