Radical firearms 6.5 Grendel upper with 20" stainless steel match grade barrel - 1:9 twistIt has a 15" Radical firearms free float hybrid rail with a YHM bipod adapter. The upper comes with the Vortex Diamondback HP 4- 16 x 42 scope sitting on a Burris P.E.P.R one piece scope mount. Also comes with 3 boxes of Hornady 123 grain A-max, a box of PPU 120 grain hollow points, and 2 10 round AR Stoner mags. Has had about 80 rounds through it and I have the brass if you are wanting to reload.