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Rifles, Reloading, Optics, Equipment
Reloading
what is your outside neck diameter 300 WM
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<blockquote data-quote="el matador" data-source="post: 1118216" data-attributes="member: 12193"><p>I like .002" smaller, for a couple of reasons. The brass is going to spring back a little bit after coming out of the die, so right there you lose .0002-.0005". Then after a few firings your brass will get slightly thinner as the case stretches and gets trimmed. All that can add up and leave you with near zero neck tension if you're using .001" smaller. </p><p></p><p>I've never tried Hornady brass, but I had some Winchester brass with fairly thick necks one time. After measuring it I noticed up to .002" of variation from the thinnest to the thickest areas. If your brass is that far out it would be best to neck turn everything for a nice concentric, consistent lot of brass that will work great with the bushing dies. If it's concentric already then get the right bushing and go to town.</p></blockquote><p></p>
[QUOTE="el matador, post: 1118216, member: 12193"] I like .002" smaller, for a couple of reasons. The brass is going to spring back a little bit after coming out of the die, so right there you lose .0002-.0005". Then after a few firings your brass will get slightly thinner as the case stretches and gets trimmed. All that can add up and leave you with near zero neck tension if you're using .001" smaller. I've never tried Hornady brass, but I had some Winchester brass with fairly thick necks one time. After measuring it I noticed up to .002" of variation from the thinnest to the thickest areas. If your brass is that far out it would be best to neck turn everything for a nice concentric, consistent lot of brass that will work great with the bushing dies. If it's concentric already then get the right bushing and go to town. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
what is your outside neck diameter 300 WM
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