This is interesting you posted this. I was having the same problem only a couple of months ago with a Savage 110 .30-06. My suspisions were confirmed that it was my firing pin tension rather than my reloading technique. I too had taken my bolt apart previously and the spring/firing pin assembly was loose, causing erratic patterns in ignition. I pulled the bullets of the misfired rounds (16 out of 50) and reloaded to the same specs as before. Not one misfire!! For the record, before I did this, I also tested with some factory rounds and had a few misfires as well, which led me to examine the bolt. I would definately double check the bolt to make sure all parts are snug and in contact as they should be, and that there is no excess buildup of foreign materials.