Bear creek arsenal ar-10 308 upper modified to fit the palmetto state lower moe stock and hogue after market rubber grip fitted with a holosun hs510c solar powered red dot with three different cross hair shapes for the red dot and adjustable brightness it works well with 10rd magazines but the 30 round magazine i have had the last few rounds not cycle well.i have over 1,300 dollar worth of parts in it .no trades