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Rifles, Reloading, Optics, Equipment
Reloading
Lee Collet die or Redding bushing die for best neck sizing?
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<blockquote data-quote="Delta Hunter" data-source="post: 226306" data-attributes="member: 441"><p>I have experience with both. I don't think you'll get your best results from the Redding die unless you neck turn or at least sort by neck thickness variation and use the brass with the least variation. The Redding may size the outside of the neck just fine, but if there's significant variation in neck wall thickness it will be transferred to the inside of the neck creating bullet runout. Of course, this assumes you're not using an expander button.</p><p></p><p>The Lee uses a mandrel that indexes off the inside of the case. Variations in neck thickness are transferred to the outside of the neck, thus leaving the inside true and straight. Another benefit to this die is that it requires no case lube.</p><p></p><p>I've had great luck with the Lee die and that's what I prefer. But I will say that I get better results if I first take it apart and polish the collet and collet sleeve (where the collet slides into the sleeve) with some fine (400 or higher grit) wet/dry sandpaper. A dab of grease applied around the mouth of the sleeve helps also. I've found this to be helpful (if not absolutely necessary) because the tooling marks left over during manufacturing are sometimes just too excessive to allow the two parts to slide smoothly against each other like they need to.</p></blockquote><p></p>
[QUOTE="Delta Hunter, post: 226306, member: 441"] I have experience with both. I don't think you'll get your best results from the Redding die unless you neck turn or at least sort by neck thickness variation and use the brass with the least variation. The Redding may size the outside of the neck just fine, but if there's significant variation in neck wall thickness it will be transferred to the inside of the neck creating bullet runout. Of course, this assumes you're not using an expander button. The Lee uses a mandrel that indexes off the inside of the case. Variations in neck thickness are transferred to the outside of the neck, thus leaving the inside true and straight. Another benefit to this die is that it requires no case lube. I've had great luck with the Lee die and that's what I prefer. But I will say that I get better results if I first take it apart and polish the collet and collet sleeve (where the collet slides into the sleeve) with some fine (400 or higher grit) wet/dry sandpaper. A dab of grease applied around the mouth of the sleeve helps also. I've found this to be helpful (if not absolutely necessary) because the tooling marks left over during manufacturing are sometimes just too excessive to allow the two parts to slide smoothly against each other like they need to. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Lee Collet die or Redding bushing die for best neck sizing?
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