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Rifles, Reloading, Optics, Equipment
Reloading
Bumping the Shoulder Question
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<blockquote data-quote="EddieHarren" data-source="post: 240864" data-attributes="member: 5138"><p>Seeing as the brass has been fired in your chamber, you need some sort of device to measure the length of your brass from the head to the shoulder. I believe that Hornady offers such a tool mounted on a dial caliper. Once you measure you can then set your FL sizing die to only move the shoulders back .001-.002". I can't say that accuracy will benefit but, your brass will last longer. When I chamber a rifle for a customer I always include a small piece of barrel with the neck and shoulder area cut in one end. This widget can be used to measure the amount of bump.</p></blockquote><p></p>
[QUOTE="EddieHarren, post: 240864, member: 5138"] Seeing as the brass has been fired in your chamber, you need some sort of device to measure the length of your brass from the head to the shoulder. I believe that Hornady offers such a tool mounted on a dial caliper. Once you measure you can then set your FL sizing die to only move the shoulders back .001-.002". I can't say that accuracy will benefit but, your brass will last longer. When I chamber a rifle for a customer I always include a small piece of barrel with the neck and shoulder area cut in one end. This widget can be used to measure the amount of bump. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Bumping the Shoulder Question
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