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Rifles, Reloading, Optics, Equipment
Reloading
Run-out help needed
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<blockquote data-quote="paphil" data-source="post: 737723" data-attributes="member: 17745"><p>First of all. this has gotten way too high tech for a beginner! All good stuff but it will discourage some guys who are just starting. I like the idea of a sharpie mark on the case and then see if the run out is always the same side or direction. Also, I've marked the cases after loading and placed them in the gun with the runout always in the same position and this improved group sizes. The one thing that I did that seemed to help runout the most was loosening the nut that holds the seater cone and just setting it barely finger tight. It seems that this lets the cone float and allows the bullet to center a little better. Also agree that the cone must rest on the ogive and not on the tip. Take it apart and look at it to tell! I do the same when neck sizing, the small nut that holds the deprimer /sizing pin is loosely finger tight to allow it to float to the center when the shell is pulled out over it to resize the neck. You have to keep checking to assure they don't come loose and cause changes in the seating depth but this brought my runout from ,007 on average down to .003 or less. Good compitition dies are worth the cost if you are wanting an easy fix, mine usually give less than .002 runout.</p><p> Last thing I would reccomend is to stay away from cheap brass because it usually will have some hidden flaw , thin and uneaven thickness or rim or belt problems. with the demand for good brass, price is an early warning! Good Luck loading!</p></blockquote><p></p>
[QUOTE="paphil, post: 737723, member: 17745"] First of all. this has gotten way too high tech for a beginner! All good stuff but it will discourage some guys who are just starting. I like the idea of a sharpie mark on the case and then see if the run out is always the same side or direction. Also, I've marked the cases after loading and placed them in the gun with the runout always in the same position and this improved group sizes. The one thing that I did that seemed to help runout the most was loosening the nut that holds the seater cone and just setting it barely finger tight. It seems that this lets the cone float and allows the bullet to center a little better. Also agree that the cone must rest on the ogive and not on the tip. Take it apart and look at it to tell! I do the same when neck sizing, the small nut that holds the deprimer /sizing pin is loosely finger tight to allow it to float to the center when the shell is pulled out over it to resize the neck. You have to keep checking to assure they don't come loose and cause changes in the seating depth but this brought my runout from ,007 on average down to .003 or less. Good compitition dies are worth the cost if you are wanting an easy fix, mine usually give less than .002 runout. Last thing I would reccomend is to stay away from cheap brass because it usually will have some hidden flaw , thin and uneaven thickness or rim or belt problems. with the demand for good brass, price is an early warning! Good Luck loading! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Run-out help needed
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