This is a diamond back db-15 diamond series chambered in .556 with a cnc 3.5 pound stage 1 trigger, magpull mbus front and rear flip up sights, radian raptor charging handle, it has a mlock upper front end and mounted on it is a magpull slanted grip has a magpull more k2+ handgrip aswell and a magpull ctr adjustable stock. comes with 1mag send me a message and we can workout a deal!