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Rifles, Reloading, Optics, Equipment
Reloading
Another mandrel post.....help
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<blockquote data-quote="QuietTexan" data-source="post: 2744407" data-attributes="member: 116181"><p>The steel ones have worked fine for me. If you want the nitride get it, but I lube necks when using mandrels and take it off with a rice tumble after.</p><p></p><p>I've mic'd every 21st Century mandrel I've bought, and a grand total of one wasn't to spec at the correct 0.0005" exactly. It was off by a full 0.0010" so probably got mishandled and ended up with the wrong laser mark. They sent me a correct one no questions asked.</p><p></p><p>Two reasons I went with 21st Century over Porter Precision: PP uses Class ZZ pins with themselves are only specified to 0.002" tolerance, and they use a collet system. I prefer the 21st Century/ Sinclairs/ PMA system with the stepped top and more positive lock in the die, and the turned mandrels aren't a solid length all the way down but have a bulge on the end so there is positive feedback on clearing the neck. </p><p></p><p>You don't have to buy pins directly from Porter to use with their system, you could order ZZ- or X-Pins from Grainger and taper them yourself. They're charging about $4 per pin to taper the end.</p></blockquote><p></p>
[QUOTE="QuietTexan, post: 2744407, member: 116181"] The steel ones have worked fine for me. If you want the nitride get it, but I lube necks when using mandrels and take it off with a rice tumble after. I've mic'd every 21st Century mandrel I've bought, and a grand total of one wasn't to spec at the correct 0.0005" exactly. It was off by a full 0.0010" so probably got mishandled and ended up with the wrong laser mark. They sent me a correct one no questions asked. Two reasons I went with 21st Century over Porter Precision: PP uses Class ZZ pins with themselves are only specified to 0.002" tolerance, and they use a collet system. I prefer the 21st Century/ Sinclairs/ PMA system with the stepped top and more positive lock in the die, and the turned mandrels aren't a solid length all the way down but have a bulge on the end so there is positive feedback on clearing the neck. You don't have to buy pins directly from Porter to use with their system, you could order ZZ- or X-Pins from Grainger and taper them yourself. They're charging about $4 per pin to taper the end. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Another mandrel post.....help
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