31 of my 33 optics (binocs, spotting scopes and rifle scopes) are Burris, mostly Signatures, with a couple EuroDiamond and a few FullField II's. The "odd" 2 are a Zeiss Diavari 3-9 and a Leupold Gold Ring 30x spotting scope. I think highly of Burris and have dealt with their service department...
I live in Colorado and have antelope hunted in area 68 in WY for 20+ years. It is about halfway between Rawlins and Casper, near Pathfinder Res. The "old timers" in the area have always said that the occasional steel .50 cal cases found on the ground were from fighter pilots, out of Cheyenne...