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Rifles, Reloading, Optics, Equipment
Reloading
Discussion about neck turning
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<blockquote data-quote="GLTaylor" data-source="post: 2117907" data-attributes="member: 111593"><p>Brass thickness in necks is rarely consistent. It is common for it to vary 1 to 1.5 thousandths side to side. Some brass is thick enough that when you seat a bullet you don't have adequate clearance in the chamber throat to release the bullet. Obviously this is dangerous and must be checked.</p><p>As far as turning necks, size it, then run a mandrel in the neck. This will make the ID consistent and push irregularities to the outside.</p><p> Lightly skim turning the brass will remove inconsistencies and make the neck thickness more uniform. This will translate into much better neck tension consistency. If you have clearance issues you need to measure neck thickness with a ball micrometer and remove enough to get 3-5 thousandths clearance when you necks expand in firing.</p><p>This is just the tip of the iceberg, but a good start for understanding what you're about to start<img class="smilie smilie--emoji" loading="lazy" alt="😋" title="Face savoring food :yum:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f60b.png" data-shortname=":yum:" /></p></blockquote><p></p>
[QUOTE="GLTaylor, post: 2117907, member: 111593"] Brass thickness in necks is rarely consistent. It is common for it to vary 1 to 1.5 thousandths side to side. Some brass is thick enough that when you seat a bullet you don't have adequate clearance in the chamber throat to release the bullet. Obviously this is dangerous and must be checked. As far as turning necks, size it, then run a mandrel in the neck. This will make the ID consistent and push irregularities to the outside. Lightly skim turning the brass will remove inconsistencies and make the neck thickness more uniform. This will translate into much better neck tension consistency. If you have clearance issues you need to measure neck thickness with a ball micrometer and remove enough to get 3-5 thousandths clearance when you necks expand in firing. This is just the tip of the iceberg, but a good start for understanding what you're about to start😋 [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Discussion about neck turning
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