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Rifles, Reloading, Optics, Equipment
Reloading
How do you straighten runout?
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<blockquote data-quote="ken snyder" data-source="post: 492166" data-attributes="member: 26019"><p>Never ever have I seen even the cheapest of brass go that far out of whack!!! at .002 I consider brass irretrievable junk. Something not good is happening. Try this : take the C clamp off of your shell holder and replace it with a rubber O ring to allow your cartridge to float in the press (align itself). While seating, seat down half way, pull cartridge all the way down and spin it 180º and finish seating. Something to remember while spinning for T.I.R. is that the bullet seats off the brass major diameter reguardless of its smallest radious and that spin jigs also are measuring base perpindicularity particularly when it is necessary to gauge on the ogive. I personally put very little stock in a spin jig! I prefer to measure neck thickness and do a good job of seating, because once you put a small cylinder into a larger round hole there is no possibilty of propoer bullet to bore alignment, unless something is hosed, as good as you can get is as good as geometry will allow.</p></blockquote><p></p>
[QUOTE="ken snyder, post: 492166, member: 26019"] Never ever have I seen even the cheapest of brass go that far out of whack!!! at .002 I consider brass irretrievable junk. Something not good is happening. Try this : take the C clamp off of your shell holder and replace it with a rubber O ring to allow your cartridge to float in the press (align itself). While seating, seat down half way, pull cartridge all the way down and spin it 180º and finish seating. Something to remember while spinning for T.I.R. is that the bullet seats off the brass major diameter reguardless of its smallest radious and that spin jigs also are measuring base perpindicularity particularly when it is necessary to gauge on the ogive. I personally put very little stock in a spin jig! I prefer to measure neck thickness and do a good job of seating, because once you put a small cylinder into a larger round hole there is no possibilty of propoer bullet to bore alignment, unless something is hosed, as good as you can get is as good as geometry will allow. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How do you straighten runout?
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