Bear Creek Arsenal Upper and Lower.  6.5 Creed more on an AR-10 Frame (same as an AK 47 frame), Adjustable Stock with 1 30 rd Mag. More mags and ammo available. More accessories available also like pop-up sites, expended round catcher, red or green laser sight, reflex sight, flashlight, Scope, Bi-Pod, all at additional cost. Accessories mounted on firearm are mounted with no charge if bought at the same time.