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Rifles, Reloading, Optics, Equipment
Reloading
what reloading dies to get for 7mm RUM
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<blockquote data-quote="Bart B" data-source="post: 108836" data-attributes="member: 5302"><p>I don't think you'll make any more accurate ammo than what a RCBS full-length sizing die will produce. You'll need to get the neck lapped out to about .002- to .003-inch smaller than a loaded round's neck diameter, but that'll eliminate the neck-bending expander ball and increase case life. With such a modified die, the standard RCBS seating die will do wonders; no extra expense needed for a fancy chamber-type seating die.</p><p></p><p>Don't forget to also get a case headspace gage such as the RCBS Precision Mic or the Stoney Point Head &amp; Shoulder Gage. These let you measure the head to shoulder dimension after firing and after full-length resizing; set the die so the shoulder's not set back more than .002-in. for maximum case life.</p></blockquote><p></p>
[QUOTE="Bart B, post: 108836, member: 5302"] I don't think you'll make any more accurate ammo than what a RCBS full-length sizing die will produce. You'll need to get the neck lapped out to about .002- to .003-inch smaller than a loaded round's neck diameter, but that'll eliminate the neck-bending expander ball and increase case life. With such a modified die, the standard RCBS seating die will do wonders; no extra expense needed for a fancy chamber-type seating die. Don't forget to also get a case headspace gage such as the RCBS Precision Mic or the Stoney Point Head & Shoulder Gage. These let you measure the head to shoulder dimension after firing and after full-length resizing; set the die so the shoulder's not set back more than .002-in. for maximum case life. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
what reloading dies to get for 7mm RUM
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