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Rifles, Reloading, Optics, Equipment
Reloading
First time shoulder bumper
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<blockquote data-quote="fj40mojo" data-source="post: 462870" data-attributes="member: 19129"><p>I agree with you Cowboy except if you are using that shell holder to load for multiple cartriges. This would pose no problem as long as you never reset the dies for the other calibers that you are using the shell holder with, but I sometimes take my dies completely apart and clean them. My preference would be to measure to the shoulder with appropriate tooling and set the die to bump the shoulder .002" which guarantees reliable feeding, an important attribute in hunting ammo to my way of thinking and if I were unable to accomplish that goal I would modify only the component that was out of spec. The shell holder for .260 is used for a lot of other cartridges, I'm using the same shell holder to load for at least 5 other cartridges, one could create more problems by modifying the common factor rather than the proble child.</p><p> </p><p>Tolerances are allowed in all manufactured goods, even dies and shell holders. What you may have is a condition of accumulated tolerance where the shell holder is at the high end of allowable tolerance for height and the die is at the low end of allowed tolerance for chamber dimension which results in the posters problem. I recently went through a similar albeit opposite situation where I set my die up to mfg's instructions and found myself bumping the shoulder back .014" and had excessive headspace. It is imperritive that we measure for ourselves and not trust the mfg to turn out product that works as advertised</p></blockquote><p></p>
[QUOTE="fj40mojo, post: 462870, member: 19129"] I agree with you Cowboy except if you are using that shell holder to load for multiple cartriges. This would pose no problem as long as you never reset the dies for the other calibers that you are using the shell holder with, but I sometimes take my dies completely apart and clean them. My preference would be to measure to the shoulder with appropriate tooling and set the die to bump the shoulder .002" which guarantees reliable feeding, an important attribute in hunting ammo to my way of thinking and if I were unable to accomplish that goal I would modify only the component that was out of spec. The shell holder for .260 is used for a lot of other cartridges, I'm using the same shell holder to load for at least 5 other cartridges, one could create more problems by modifying the common factor rather than the proble child. Tolerances are allowed in all manufactured goods, even dies and shell holders. What you may have is a condition of accumulated tolerance where the shell holder is at the high end of allowable tolerance for height and the die is at the low end of allowed tolerance for chamber dimension which results in the posters problem. I recently went through a similar albeit opposite situation where I set my die up to mfg's instructions and found myself bumping the shoulder back .014" and had excessive headspace. It is imperritive that we measure for ourselves and not trust the mfg to turn out product that works as advertised [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
First time shoulder bumper
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