Hey folks, been reloading for a number of years now and believe it or not have never heard of OR set up for head space. Just ignorance. Watched a video from RCBS on thier Precision Mic. According to the video the cartridge specific Mic is designed to read zero for minimum SAMI spec. I took a once fired 22-250 case and it read .002-.003 thousands SHORTER than minimum. Any ideas how this is possible? Thanks for any help. The rifle is a Savage if that helps any.
