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Rifles, Reloading, Optics, Equipment
Reloading
Reaming Dies with chamber reamer
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<blockquote data-quote="J E Custom" data-source="post: 1807898" data-attributes="member: 2736"><p>There are two different reamers for chambers and dies. </p><p></p><p>One is called a chamber reamer and is cut to a SAMMI or custom dimensions.</p><p></p><p>The other is called a sizing reamer and is cut to a size that allows the dies to size the case to fit the chamber and allow for spring back.</p><p></p><p>If you want to make your own dies It is best to have the reamer maker make your chamber reamer and also make a matching sizing reamer.</p><p></p><p>I would use caution when reaming some dies because some are flame hardened and will ruin that expensive reamer, You can buy die blanks that are not heat treated or hardened and wont hurt the reamer. It is a total blank except for the caliber hole through it to guide the reamer pilot.</p><p></p><p>If you use the same reamer for both the chamber and the die, the die will be shorter and will not fully size the case at the web. and the neck diameter will not sized correctly unless you build a bushing die with replaceable bushings.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1807898, member: 2736"] There are two different reamers for chambers and dies. One is called a chamber reamer and is cut to a SAMMI or custom dimensions. The other is called a sizing reamer and is cut to a size that allows the dies to size the case to fit the chamber and allow for spring back. If you want to make your own dies It is best to have the reamer maker make your chamber reamer and also make a matching sizing reamer. I would use caution when reaming some dies because some are flame hardened and will ruin that expensive reamer, You can buy die blanks that are not heat treated or hardened and wont hurt the reamer. It is a total blank except for the caliber hole through it to guide the reamer pilot. If you use the same reamer for both the chamber and the die, the die will be shorter and will not fully size the case at the web. and the neck diameter will not sized correctly unless you build a bushing die with replaceable bushings. J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Reaming Dies with chamber reamer
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