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Rifles, Reloading, Optics, Equipment
Reloading
Expanding mandrels..... neccessary?
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<blockquote data-quote="jreagle" data-source="post: 1804969" data-attributes="member: 40992"><p>FWIW, at this end of the woods, it looks like when the inside of the neck is not lubricated generously, the expander ball friction causes more run out as it is forcefully pulled out of the neck of the case on the press ram downstroke (handle upstroke). generous lube inside the neck applied with a q-tip and the expander pulls through easily (its really noticeable). Then wipe out necks with a dry q-tip to remove excess lube. Also, leaving the lock ring loose on the FL die expander/primer punch spindle allows a little wiggle room for it to self center when pulling down on the press. Press stroke is important, continuous, even pressure on the handle, down and up, seems to help.</p><p>finding that using a mandrel or lubing the inside of the neck with an expander ball results in similar runout, .001 or less.</p><p>The forster expander ball and redding carbide expander ball are both giving pretty good results here so far.</p><p></p><p>Its almost 70 here in CT this morning. Where is winter?</p></blockquote><p></p>
[QUOTE="jreagle, post: 1804969, member: 40992"] FWIW, at this end of the woods, it looks like when the inside of the neck is not lubricated generously, the expander ball friction causes more run out as it is forcefully pulled out of the neck of the case on the press ram downstroke (handle upstroke). generous lube inside the neck applied with a q-tip and the expander pulls through easily (its really noticeable). Then wipe out necks with a dry q-tip to remove excess lube. Also, leaving the lock ring loose on the FL die expander/primer punch spindle allows a little wiggle room for it to self center when pulling down on the press. Press stroke is important, continuous, even pressure on the handle, down and up, seems to help. finding that using a mandrel or lubing the inside of the neck with an expander ball results in similar runout, .001 or less. The forster expander ball and redding carbide expander ball are both giving pretty good results here so far. Its almost 70 here in CT this morning. Where is winter? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Expanding mandrels..... neccessary?
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