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Rifles, Reloading, Optics, Equipment
Reloading
300 Win Mag Sizing
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<blockquote data-quote="bigedp51" data-source="post: 1489715" data-attributes="member: 28965"><p>Below while not a belted case is a example of the belted case expansion. Both .303 British cases below were fired in the same Enfield rifle.</p><p></p><p>The Prvi Partizan case on the left is a larger base diameter and .010 thicker in the base web area. The HXP case is a smaller diameter and has a thinner case wall than the Prvi case.</p><p></p><p>If you would imagine the HXP case with a belt you will see why "some" cases can bulge above the belt and cause a problem. I was sizing some Lake City 7.62 cases last night and noticed the die stopped sizing 1/8 of an inch short of the base. And the same would happen on a belted case.</p><p></p><p><img src="https://i.imgur.com/eM3H3ls.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="bigedp51, post: 1489715, member: 28965"] Below while not a belted case is a example of the belted case expansion. Both .303 British cases below were fired in the same Enfield rifle. The Prvi Partizan case on the left is a larger base diameter and .010 thicker in the base web area. The HXP case is a smaller diameter and has a thinner case wall than the Prvi case. If you would imagine the HXP case with a belt you will see why "some" cases can bulge above the belt and cause a problem. I was sizing some Lake City 7.62 cases last night and noticed the die stopped sizing 1/8 of an inch short of the base. And the same would happen on a belted case. [IMG]https://i.imgur.com/eM3H3ls.jpg[/IMG] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 Win Mag Sizing
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