Can't offer an opinion on the new Redfields but I have a fixed 10X AO , SN is 1982 that I bought in a pawn shop for $50 about in 1883 and have had it on my #1 Ruger .220 Swift, WOA AR-15 .223, on my Mod 77 Mk II .220 Rocket and My Savage BVSS .223 and now its on my Ruger M77 Flat Bolt .243...