I have a bunch of 44 Mag, 45LC, 300WBY, 300 WIN, 280, 30/06 , 22/250, etc, etc, etc. Most of it is reloads, some could be 25 years old. I don't remember what some of it is. I keep records in chronolgical order, but could have shot a few rounds out of some of it and then moved to something else...