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Rifles, Reloading, Optics, Equipment
Reloading
Best oal gauge?
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<blockquote data-quote="Trickymissfit" data-source="post: 694915" data-attributes="member: 25383"><p>here's some thought I picked up from the benchrest crowd years back:</p><p> </p><p>The case neck is over size in the I.D., but the basic body is slightly undersized. I personally prefer to do it all with once fired and unsized cases to calculate the headspace. Theye will then glue a shim to the face of the case body to get the proper headspace off the modified case. This can be measured by compairing the modified case with a once fired case. Most of the time it's about .0025". </p><p> </p><p>Now I don't worry too much about this. I make my deminsions off the fired case, and know the difference before hand. So when I measure the bullet in the mod case I simply add the difference between the fired and modded case. Not perfect, but very close.</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 694915, member: 25383"] here's some thought I picked up from the benchrest crowd years back: The case neck is over size in the I.D., but the basic body is slightly undersized. I personally prefer to do it all with once fired and unsized cases to calculate the headspace. Theye will then glue a shim to the face of the case body to get the proper headspace off the modified case. This can be measured by compairing the modified case with a once fired case. Most of the time it's about .0025". Now I don't worry too much about this. I make my deminsions off the fired case, and know the difference before hand. So when I measure the bullet in the mod case I simply add the difference between the fired and modded case. Not perfect, but very close. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Best oal gauge?
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