Well after getting my optical life destroyed by Ryan and Mr Form, selling off some scopes and buying new ones. One of them was the above mentioned ten mile hx 3-18. With zero intention of ever dropping my rifle it has managed to tip over/fall over twice onto the concrete floor and was in a pack saddle that was smashed between a log and a rolling llama. Decided to check zero at 650 yards today. Well not sure what else to say other than incredibly impressed and a load of confidence gained. Never intended to be having my stuff hit the deck ever let alone twice. What ever voodoo they do inside these things is legit.