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Rifles, Reloading, Optics, Equipment
Reloading
Expander mandrel sets
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<blockquote data-quote="QuietTexan" data-source="post: 2873642" data-attributes="member: 116181"><p>Porter Precision is the most cost-efficient system I know of:</p><p>[URL unfurl="true"]https://www.portersprecisionproducts.com/product/6shortset/[/URL]</p><p></p><p>Nothing wrong with them at all, the lower cost is because the design is based on using Class ZZ pin gauges with a 0.0002" tolerance, so they can buy the pins instead of turning them. If you don't have a mic already you'll want one to get this involved with necks. When you get the pins mic them all and know exactly what you have. If something is way out of spec call them.</p><p></p><p></p><p>I use 21st Century, after buying six of their caliber packs I only had one mandrel out of spec which they replaced for free. It wasn't a mis-cut, but a mis-mark. Measured exactly spot on for the next interval up, but was marked down. Great people to work with there.</p><p></p><p></p><p>It would be per-caliber, not cartridge. You can use the same mandrels on all of the cartridges you listed. No need for multiple identical mandrels of the same size. If you're worried about wear, mic the mandrel occasionally to check spec on it. I've never worn one out. Damaged yes, brassed up and had to clean yes, but never had a steel tool wear an appreciable amount sizing brass.</p></blockquote><p></p>
[QUOTE="QuietTexan, post: 2873642, member: 116181"] Porter Precision is the most cost-efficient system I know of: [URL unfurl="true"]https://www.portersprecisionproducts.com/product/6shortset/[/URL] Nothing wrong with them at all, the lower cost is because the design is based on using Class ZZ pin gauges with a 0.0002" tolerance, so they can buy the pins instead of turning them. If you don't have a mic already you'll want one to get this involved with necks. When you get the pins mic them all and know exactly what you have. If something is way out of spec call them. I use 21st Century, after buying six of their caliber packs I only had one mandrel out of spec which they replaced for free. It wasn't a mis-cut, but a mis-mark. Measured exactly spot on for the next interval up, but was marked down. Great people to work with there. It would be per-caliber, not cartridge. You can use the same mandrels on all of the cartridges you listed. No need for multiple identical mandrels of the same size. If you're worried about wear, mic the mandrel occasionally to check spec on it. I've never worn one out. Damaged yes, brassed up and had to clean yes, but never had a steel tool wear an appreciable amount sizing brass. [/QUOTE]
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Expander mandrel sets
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