I've been working on loads for a Kimber Sonora in 25 06 and have flattened primers on pretty much everything that I feed it. Loads are all under recommended maximums, some are at minimum, scale is accurate. Cases have been trimmed to recommended length, bullets seated around .020 off the lands, cartridges are neck sized, still chamber and extract easily. I'm using regular Federal primers, for powder I have tried h4831, h4831sc and h414 along with a variety of bullets. Any ideas why I'm seeing pressure signs?


















































