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Rifles, Reloading, Optics, Equipment
Reloading
28 nosler donuts
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<blockquote data-quote="parshal" data-source="post: 1421506" data-attributes="member: 605"><p>There are inside and outside doughnuts. You <em>typically </em>get those only when you're forming brass to another cartridge and pushing the shoulders around.</p><p></p><p>In the 6.5 SS, you push the shoulders back which causes some of the former shoulder to become the neck. It will cause that new portion of the shoulder to be thicker than the rest of the neck. It requires you to turn the necks to the same size all the way to the shoulder. </p><p></p><p>Sometimes, you'll also get the same thicker case inside the neck down by the shoulder. If you don't remove this and your bullet gets seated past this thicker part, you'll increase pressure. So, you have to figure out a way to cut the inside doughnut out. That's where the reamer or cutting mandrel on a neck turner comes in play. Outside doughnuts are easy to fix, inside ones can be a PITA since your neck needs to be a specific inside diameter so you don't thin your necks by reducing the thickness with your reamer.</p></blockquote><p></p>
[QUOTE="parshal, post: 1421506, member: 605"] There are inside and outside doughnuts. You [I]typically [/I]get those only when you're forming brass to another cartridge and pushing the shoulders around. In the 6.5 SS, you push the shoulders back which causes some of the former shoulder to become the neck. It will cause that new portion of the shoulder to be thicker than the rest of the neck. It requires you to turn the necks to the same size all the way to the shoulder. Sometimes, you'll also get the same thicker case inside the neck down by the shoulder. If you don't remove this and your bullet gets seated past this thicker part, you'll increase pressure. So, you have to figure out a way to cut the inside doughnut out. That's where the reamer or cutting mandrel on a neck turner comes in play. Outside doughnuts are easy to fix, inside ones can be a PITA since your neck needs to be a specific inside diameter so you don't thin your necks by reducing the thickness with your reamer. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
28 nosler donuts
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