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Rifles, Reloading, Optics, Equipment
Reloading
Help, Case Neck Tension
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<blockquote data-quote="Varmint Hunter" data-source="post: 184014" data-attributes="member: 313"><p>I'm not sure how you can get an inside neck diameter of .303"-.304" after bulling a .308 diameter expander ball through them. ?? Some spring back is likely but .005" seems unlikely. It also sounds like you are working the brass quite a bit with each reload.</p><p></p><p>To answer your question - personally, I like the Redding bushing dies. Tjhere are a few different types, competition, neck, FL, all with changable bushings. These dies do not have, nor do they need, expander balls. The idea behind the bushing is that you can resize the necks/cases "just enough" and no more.</p><p></p><p>Typically, all you have to do is measure the neck diameter of a dummy round (using the intended brass & bullet) and subtract .002"-.003" to determine which bushing size you need. If you order the Redding catalog, it is all explained in better detail and gives you a full description of all of their dies.</p><p></p><p>Since you're upgrading your dies, let me suggest that you get a set with a micrometer seating adjustment. This will allow you to EASILY make seating depth adjustments for several different bullets and return to any previous setting without guessing or remeasuring a thousand times. They cost more but will make life much easier for as long as you continue to load. I would never buy a set without it.</p></blockquote><p></p>
[QUOTE="Varmint Hunter, post: 184014, member: 313"] I'm not sure how you can get an inside neck diameter of .303"-.304" after bulling a .308 diameter expander ball through them. ?? Some spring back is likely but .005" seems unlikely. It also sounds like you are working the brass quite a bit with each reload. To answer your question - personally, I like the Redding bushing dies. Tjhere are a few different types, competition, neck, FL, all with changable bushings. These dies do not have, nor do they need, expander balls. The idea behind the bushing is that you can resize the necks/cases "just enough" and no more. Typically, all you have to do is measure the neck diameter of a dummy round (using the intended brass & bullet) and subtract .002"-.003" to determine which bushing size you need. If you order the Redding catalog, it is all explained in better detail and gives you a full description of all of their dies. Since you're upgrading your dies, let me suggest that you get a set with a micrometer seating adjustment. This will allow you to EASILY make seating depth adjustments for several different bullets and return to any previous setting without guessing or remeasuring a thousand times. They cost more but will make life much easier for as long as you continue to load. I would never buy a set without it. [/QUOTE]
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Help, Case Neck Tension
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