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Rifles, Reloading, Optics, Equipment
Reloading
Cooper rifle won't chamber twice fired brass
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<blockquote data-quote="timotheius" data-source="post: 1865509" data-attributes="member: 66591"><p>You may not be able to see from the image I just posted, but after doing the black magic marker trick on a twice fired piece of brass, full length resized in a standard Lee die, the rubbing point was pretty clearly near the base of the case, where I drew the red line. I took measurements with my calipers: on the black case above, this area measured .467-.468 of an inch. I measured the same area on a new, unfired piece of norma brass, and it measured .462. So how do I size down this area of the case? A small base die? Redding competition shellholders?</p></blockquote><p></p>
[QUOTE="timotheius, post: 1865509, member: 66591"] You may not be able to see from the image I just posted, but after doing the black magic marker trick on a twice fired piece of brass, full length resized in a standard Lee die, the rubbing point was pretty clearly near the base of the case, where I drew the red line. I took measurements with my calipers: on the black case above, this area measured .467-.468 of an inch. I measured the same area on a new, unfired piece of norma brass, and it measured .462. So how do I size down this area of the case? A small base die? Redding competition shellholders? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Cooper rifle won't chamber twice fired brass
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