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Rifles, Reloading, Optics, Equipment
Reloading
Why can’t we get good dies!
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<blockquote data-quote="Jeff Heeg osoh" data-source="post: 1925270" data-attributes="member: 111250"><p>Just a few things I have seen in time.</p><p>Even though we do not like hearing about it pressure tends to bring out the ghost in issues.</p><p></p><p>Non pressure issues can still surface when</p><p>The brass or round fired does not have a lot of angle or tapper in the case body. Many fall into this group.</p><p>The design of the primary and secondary extraction in the action design is not aggressive enough to function as needed.</p><p>A full length sizing die is not pushing or squeezing the case body enough to meet the specs needed for the chamber.</p><p>And some times the neck diameter of the chamber is to tight in reference to the seated bullet and brass being used thus pinching tight when fired causing the neck to grab and also stretching the brass case thus not getting the normal case size spring back needed for a smooth extraction. This also causes flyers and inconsistency in speeds and groups do to the erratic on off inconsistencies of the pinch.</p><p>Certain brass cases were manufactured that are too thick in the wall and case head area that would not spring back enough after fired and would give a hard extraction and false pressure issue.</p><p></p><p>Just a few ideas that I have seen in time through all the years of shooting and reloading.</p><p></p><p></p><p>I have always used full length dies for my 260, 338LM, 375 and 416s with great results and long brass life.</p><p></p><p>For the 375s and 416s we used Warner Dies and Whidden.</p><p></p><p>Hope some of this helps</p><p></p><p></p><p>I am osoh</p><p>JH</p></blockquote><p></p>
[QUOTE="Jeff Heeg osoh, post: 1925270, member: 111250"] Just a few things I have seen in time. Even though we do not like hearing about it pressure tends to bring out the ghost in issues. Non pressure issues can still surface when The brass or round fired does not have a lot of angle or tapper in the case body. Many fall into this group. The design of the primary and secondary extraction in the action design is not aggressive enough to function as needed. A full length sizing die is not pushing or squeezing the case body enough to meet the specs needed for the chamber. And some times the neck diameter of the chamber is to tight in reference to the seated bullet and brass being used thus pinching tight when fired causing the neck to grab and also stretching the brass case thus not getting the normal case size spring back needed for a smooth extraction. This also causes flyers and inconsistency in speeds and groups do to the erratic on off inconsistencies of the pinch. Certain brass cases were manufactured that are too thick in the wall and case head area that would not spring back enough after fired and would give a hard extraction and false pressure issue. Just a few ideas that I have seen in time through all the years of shooting and reloading. I have always used full length dies for my 260, 338LM, 375 and 416s with great results and long brass life. For the 375s and 416s we used Warner Dies and Whidden. Hope some of this helps I am osoh JH [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Why can’t we get good dies!
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