I've got some older 4-12 and 6-18 Redfields and they're still keepers.Actually the 1st Leupold I ever owned was given to me as a prize.....by OYOA, Mr Randy himself. 3.5X10X40 CDS. The scope cost more than the rifle I put it on. I'll say this about that. I've been spoiled against all other scopes since. When it came time to mount some glass on my 338 Fed project I went straight to Predator Optics (keepin' it in the family) and snatched a Leupold 2X7X33 for under $200. Hummm, now I'm thinking that M96 Ruger needs an optic upgrade from that 45 yr old 4X Redfield.