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Rifles, Reloading, Optics, Equipment
Reloading
Hornady LNL OAL gauge question
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<blockquote data-quote="joe0121" data-source="post: 524186" data-attributes="member: 26058"><p>it seems like it but then you think about how many bullets they mass produce. Then think about how small .012 is roughly twice that of a human hair. It is a BIG difference but still pretty amazing how close they get it. That's why you weigh your brass and bullets. But really we are talking about +/- tenths of a percent across lots of hundreds! In fact for OCW load development I don't even bother measuring brass and bullets. Once I find the OCW and start dialing in I then measure those sort of things. The great thing about finding the OCW often times powder throw withing +/-.3 gr still yield excellent accuracy. The OCW is so reliable I have find it makes up for "mistakes" this of course to me means still make your measurements it's just nice to know you have a margin of error. </p><p></p><p>Now if you used a modified case you need to measure the head space of that case and your fire formed case and take that difference into account when setting your seater die. Like I said when you use the LNL you need to account for head space as the bolt is not controlling the position of your case, the shoulder is.</p></blockquote><p></p>
[QUOTE="joe0121, post: 524186, member: 26058"] it seems like it but then you think about how many bullets they mass produce. Then think about how small .012 is roughly twice that of a human hair. It is a BIG difference but still pretty amazing how close they get it. That's why you weigh your brass and bullets. But really we are talking about +/- tenths of a percent across lots of hundreds! In fact for OCW load development I don't even bother measuring brass and bullets. Once I find the OCW and start dialing in I then measure those sort of things. The great thing about finding the OCW often times powder throw withing +/-.3 gr still yield excellent accuracy. The OCW is so reliable I have find it makes up for "mistakes" this of course to me means still make your measurements it's just nice to know you have a margin of error. Now if you used a modified case you need to measure the head space of that case and your fire formed case and take that difference into account when setting your seater die. Like I said when you use the LNL you need to account for head space as the bolt is not controlling the position of your case, the shoulder is. [/QUOTE]
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Hornady LNL OAL gauge question
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