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Rifles, Reloading, Optics, Equipment
Reloading
Possible excessive shoulder set back with new Redding Premium die
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<blockquote data-quote="GLTaylor" data-source="post: 1877229" data-attributes="member: 111593"><p>I believe you way oversized your brass/bumped shoulder too far. Back up your die farther away from the ram. Next time you fire your brass, seat your bullets to touch the lands and use another modest load. This will hold the brass still as it forms to your chamber and hopefully avoid case head separation. </p><p>Once fired again, ease your die down until it touches the shoulder of your brass. You can feel this. Cycle your press and measure your shoulder bump. Go down about 1/8 turn on your die each time you cycle until you get about .002 shoulder bump. Repeat and measure several pieces of brass until you average .002 bump. Don't forget to lube your cases.</p></blockquote><p></p>
[QUOTE="GLTaylor, post: 1877229, member: 111593"] I believe you way oversized your brass/bumped shoulder too far. Back up your die farther away from the ram. Next time you fire your brass, seat your bullets to touch the lands and use another modest load. This will hold the brass still as it forms to your chamber and hopefully avoid case head separation. Once fired again, ease your die down until it touches the shoulder of your brass. You can feel this. Cycle your press and measure your shoulder bump. Go down about 1/8 turn on your die each time you cycle until you get about .002 shoulder bump. Repeat and measure several pieces of brass until you average .002 bump. Don't forget to lube your cases. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Possible excessive shoulder set back with new Redding Premium die
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