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Rifles, Reloading, Optics, Equipment
Reloading
Measure headspace with seating die
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<blockquote data-quote="bigedp51" data-source="post: 1888259" data-attributes="member: 28965"><p>If you use a fired case vs a GO gauge you do not know how much the case will spring back after sizing. Then you add scotch tape to the base of the case with its squish factor. Meaning the resized case and tape are not what I would call a precision gauge.</p><p></p><p>But normally you have approximately .003 between the GO and NO-GO gauges. Meaning your resized case and the scotch tape "may" be good enough for you. "BUT" if you look at all the variations in dies and scotch tape thickness it is a very ballpark guesstimate of actual headspace.</p><p></p><p>And if you are replacing the barrel this means the resized case was not fired in the chamber of your new barrel. Meaning that case was fire formed for a different chamber and you have no idea how much the case will spring back after sizing.</p><p></p><p>Bottom line, buy or rent GO and NO-GO gauges to setup the headspace and not rely on scotch tape made in China.</p></blockquote><p></p>
[QUOTE="bigedp51, post: 1888259, member: 28965"] If you use a fired case vs a GO gauge you do not know how much the case will spring back after sizing. Then you add scotch tape to the base of the case with its squish factor. Meaning the resized case and tape are not what I would call a precision gauge. But normally you have approximately .003 between the GO and NO-GO gauges. Meaning your resized case and the scotch tape "may" be good enough for you. "BUT" if you look at all the variations in dies and scotch tape thickness it is a very ballpark guesstimate of actual headspace. And if you are replacing the barrel this means the resized case was not fired in the chamber of your new barrel. Meaning that case was fire formed for a different chamber and you have no idea how much the case will spring back after sizing. Bottom line, buy or rent GO and NO-GO gauges to setup the headspace and not rely on scotch tape made in China. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Measure headspace with seating die
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