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Message: <blockquote data-quote="swampratt" data-source="post: 3742033" data-attributes="member: 15054">I used a spiral notebook leftover from when my children were in school.I had base to tip measurements and bearing surface measurements of the bullets i was using and of course the BC, weight and make.Lot numbers of the bullets , powders and what primers.How I prepped the cases was in there.Case measurements base toi middle of the shoulder (Ogive) the Case neck ID and OD and OD after loading.That od after loading was for cast bullets as some soft bullets got pinched  down when I ran them into the case.So much for making your cast .001" over groove diameter <img src="/images/smilies/frown.png"  class="smilie" loading="lazy" alt=":(" title="Frown    :(" data-shortname=":(" />You can pile on a lot of information in those spiral notebooks.I put in how far off the lands each bullet was also.Just off not touching and what it was jammed.Yep then you have the charge and OAL etc but you knew that was to be in there.Once I found the load each rifle loved I kept that on a card.If I ran out of that lot number or the bullet had changed or was discontinued I start all over and I had the bad loads in the book that did not work or were way too slow.No need to make a .308 shoot like a 30-30 ya know.</blockquote>