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Rifles, Reloading, Optics, Equipment
Reloading
FL sizing 7mm
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<blockquote data-quote="J E Custom" data-source="post: 1345847" data-attributes="member: 2736"><p>A simple way to resolve this is to leave the dies set normally and use a feeler gauge or a shim between the shell holder and the case head.</p><p></p><p>I like to try feeler gauges first starting with .002 thousandths and do a test sizing to see if it is enough to have the right chamber feel. If it is not I try .003 and so on. (I have never had to add more than .004 or .005 thousandth thick shims to get the desired results).</p><p></p><p>Once I find the proper gauge thickness, I cut a shim of the same thickness and place it between the shell holder and the case head (Cases must be de primed before the shim can be used) with a touch of grease to hold it in place and proceed sizing all of my cases.</p><p></p><p>After many firings, cases have more spring back and may need more sizing. By using the shim, it does the job without changing the dies when you need to size new cases. Then I can write the thickness on the shim, and place in the die set for future use.</p><p></p><p>A neat little trick that does the job and doesn't alter the original setting and/or saves dies that are to large for some chambers.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1345847, member: 2736"] A simple way to resolve this is to leave the dies set normally and use a feeler gauge or a shim between the shell holder and the case head. I like to try feeler gauges first starting with .002 thousandths and do a test sizing to see if it is enough to have the right chamber feel. If it is not I try .003 and so on. (I have never had to add more than .004 or .005 thousandth thick shims to get the desired results). Once I find the proper gauge thickness, I cut a shim of the same thickness and place it between the shell holder and the case head (Cases must be de primed before the shim can be used) with a touch of grease to hold it in place and proceed sizing all of my cases. After many firings, cases have more spring back and may need more sizing. By using the shim, it does the job without changing the dies when you need to size new cases. Then I can write the thickness on the shim, and place in the die set for future use. A neat little trick that does the job and doesn't alter the original setting and/or saves dies that are to large for some chambers. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
FL sizing 7mm
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