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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
bullet/case neck run out
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<blockquote data-quote="Donna" data-source="post: 36053" data-attributes="member: 2889"><p>Answer to Question one – Not always, your reloading dies and press could have an influence on the numbers you are getting if either or both has a slight miss alignment. Starting out with high quality dies, like Redding, and a good press like, Forster's Co-Ax or Corbin's swaging press (either Dave's or Richard's) that can be used as a reloading press. Your firearm chamber might also be at fault, if it is not trued to the bolt and/or bore.</p><p></p><p>Answer to Question two – There is no standard per say, but there are acceptances. In hunting it is up to 4 or 5 thousandth out, in target shooting it is 2 or less, and benchrest shooting it is 1 or less, measured on the bullet's shank about 1/16 to 1/8 in front of the case mouth. Less is always understood to be better.</p><p></p><p>Answer to Question three – I would say that your numbers are typical for hunting and unofficial target shooting but are unacceptable for official target and benchrest shooting.</p><p></p><p>Answer to Question four – I would say you would see better accuracy where the numbers are the same than different. If the numbers are different the better accuracy will come from the numbers that are the closest to each other. A 1 and 1 or a 2.25 and 2.25 indicate that the bullet run-out is zero and it is the run-out of the case that you are reading. You should see even better accuracy if you can get the run-out of the case to zero.</p><p></p><p>LadyHawk</p></blockquote><p></p>
[QUOTE="Donna, post: 36053, member: 2889"] Answer to Question one – Not always, your reloading dies and press could have an influence on the numbers you are getting if either or both has a slight miss alignment. Starting out with high quality dies, like Redding, and a good press like, Forster’s Co-Ax or Corbin’s swaging press (either Dave’s or Richard’s) that can be used as a reloading press. Your firearm chamber might also be at fault, if it is not trued to the bolt and/or bore. Answer to Question two – There is no standard per say, but there are acceptances. In hunting it is up to 4 or 5 thousandth out, in target shooting it is 2 or less, and benchrest shooting it is 1 or less, measured on the bullet’s shank about 1/16 to 1/8 in front of the case mouth. Less is always understood to be better. Answer to Question three – I would say that your numbers are typical for hunting and unofficial target shooting but are unacceptable for official target and benchrest shooting. Answer to Question four – I would say you would see better accuracy where the numbers are the same than different. If the numbers are different the better accuracy will come from the numbers that are the closest to each other. A 1 and 1 or a 2.25 and 2.25 indicate that the bullet run-out is zero and it is the run-out of the case that you are reading. You should see even better accuracy if you can get the run-out of the case to zero. LadyHawk [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
bullet/case neck run out
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