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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Case capacity gained with improved cartridges
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<blockquote data-quote="Darryl Cassel" data-source="post: 30428" data-attributes="member: 34"><p>Len</p><p></p><p>I have gained up to 6 grs of powder over the standard 300 RUM with the Tomahawk chambering.</p><p></p><p>Many of us just neck size the case so it's easy to see the gain on both cases AFTER they have been fired. </p><p>Simply fire the standard and IMP case, resize the neck, put a fired primer in upside down and fill with water. Weigh and deduct the difference between the two.</p><p></p><p>If you full length size "BOTH" standard and imp cases the "difference" will still be close to the above procedure as per the difference. </p><p></p><p>You can get the "maximum" case capacity by neck sizing only.</p><p></p><p>Most athorities on this subject feel that a 6% gain is worth going to the Imp. case.</p><p></p><p>I agree with that after shooting many Imp cartridges over the years.</p><p></p><p>Later</p><p>DC <img src="http://images/icons/smile.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>[ 01-09-2004: Message edited by: Darryl Cassel ]</p></blockquote><p></p>
[QUOTE="Darryl Cassel, post: 30428, member: 34"] Len I have gained up to 6 grs of powder over the standard 300 RUM with the Tomahawk chambering. Many of us just neck size the case so it's easy to see the gain on both cases AFTER they have been fired. Simply fire the standard and IMP case, resize the neck, put a fired primer in upside down and fill with water. Weigh and deduct the difference between the two. If you full length size "BOTH" standard and imp cases the "difference" will still be close to the above procedure as per the difference. You can get the "maximum" case capacity by neck sizing only. Most athorities on this subject feel that a 6% gain is worth going to the Imp. case. I agree with that after shooting many Imp cartridges over the years. Later DC [img]images/icons/smile.gif[/img] [ 01-09-2004: Message edited by: Darryl Cassel ] [/QUOTE]
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Case capacity gained with improved cartridges
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