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Rifles, Reloading, Optics, Equipment
Reloading
Forster bushing bump neck die?
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<blockquote data-quote="CatShooter" data-source="post: 1299462" data-attributes="member: 7"><p></p><p></p><p></p><p><img src="http://www.gunsandgunsmiths.com/wp-content/uploads/2013/08/IMG_8545.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><em></em></p><p><em></em></p><p></p><p></p><p>It is not true that a resized case has a maximum clearance of 0.001" - that might be the case with a custom bench rifle and custom dies(but that will cause a bunch of extraction problems with "clickers")... </p><p>... but with the average over the counter rifle, or custom hunting rifle, there can be a hellova lot of "air" in that space... there can be 10 thou (0.010" of clearance in a max SAAMI chamber, with a Min SAAMI case web.</p><p>I have NEVER seen a case with a body expansion that was uniform all around the base... plus, the Remington extractor exerts a sideways force on the resting cartridge, so it expands out to one side - but once that happens, the case will be a perfect fit to the chamber, (unless some dumb bunny FL sizes it) <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>One option that has not been discussed (<strong><em>IF</em></strong> run-out is a prime consideration), is the Redding Comp bushing neck sizer.</p><p></p><p>One does not see them too often because of their cost ($120-ish to $160-ish). I was, and still am, a user of Redding "S" bushing neck dies... and when I first saw the comp bushing neck sizer in the Redding catalogue, I thought, "Who the hell needs a micrometer on a neck sizer?"</p><p></p><p>But when I put together my 6mmBR bench rifle, I bought a Redding Competition die set - a Comp bushing neck sizer, comp seater, and body die (a big waste of space in the box). It was my first hands on exposure to the comp bushing neck sizer and WOW...</p><p>Is that comp bushing neck sizer die cool.</p><p></p><p>It uses a floating sleeve, and forces the case into alignment with the axis of the sleeve...</p><p>... then it then brings the bushing (which is locked in place on the same axis) down on the neck, which cannot move cuz it is locked in place.</p><p></p><p>The run-out on my .220 Swift cases, which have a large neck (10 thou over the loaded neck dia) is less than 0.001" ... in one pass !!</p><p><span style="font-family: 'Arial'"><span style="font-size: 10px"><span style="font-size: 12px"><span style="color: #0000FF"><span style="font-size: 10px"><span style="color: black"></span></span></span></span></span></span></p><p><span style="font-family: 'Arial'"><span style="font-size: 10px"><span style="font-size: 12px"><span style="color: #0000FF"><span style="font-size: 10px"><span style="color: black">---</span></span></span></span></span></span></p><p><span style="font-family: 'Arial'"><span style="font-size: 10px"><span style="font-size: 12px"><span style="color: #0000FF"><span style="font-size: 10px"><span style="color: black"></span></span></span></span></span></span></p><p><span style="font-family: 'Arial'"><span style="font-size: 10px"><span style="font-size: 12px"><span style="color: #0000FF"><span style="font-size: 10px"><span style="color: black"></span></span></span></span></span></span>And I neck size my cases and belong to the case should fit the chamber like "jello fits in the mold" fraternity. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="CatShooter, post: 1299462, member: 7"] [I][/I] [IMG]http://www.gunsandgunsmiths.com/wp-content/uploads/2013/08/IMG_8545.jpg[/IMG] [I] [/I] It is not true that a resized case has a maximum clearance of 0.001" - that might be the case with a custom bench rifle and custom dies(but that will cause a bunch of extraction problems with "clickers")... ... but with the average over the counter rifle, or custom hunting rifle, there can be a hellova lot of "air" in that space... there can be 10 thou (0.010" of clearance in a max SAAMI chamber, with a Min SAAMI case web. I have NEVER seen a case with a body expansion that was uniform all around the base... plus, the Remington extractor exerts a sideways force on the resting cartridge, so it expands out to one side - but once that happens, the case will be a perfect fit to the chamber, (unless some dumb bunny FL sizes it) :) :) :) One option that has not been discussed ([B][I]IF[/I][/B] run-out is a prime consideration), is the Redding Comp bushing neck sizer. One does not see them too often because of their cost ($120-ish to $160-ish). I was, and still am, a user of Redding "S" bushing neck dies... and when I first saw the comp bushing neck sizer in the Redding catalogue, I thought, "Who the hell needs a micrometer on a neck sizer?" But when I put together my 6mmBR bench rifle, I bought a Redding Competition die set - a Comp bushing neck sizer, comp seater, and body die (a big waste of space in the box). It was my first hands on exposure to the comp bushing neck sizer and WOW... Is that comp bushing neck sizer die cool. It uses a floating sleeve, and forces the case into alignment with the axis of the sleeve... ... then it then brings the bushing (which is locked in place on the same axis) down on the neck, which cannot move cuz it is locked in place. The run-out on my .220 Swift cases, which have a large neck (10 thou over the loaded neck dia) is less than 0.001" ... in one pass !! [FONT=Arial][SIZE=2][SIZE=3][COLOR=#0000FF][SIZE=2][COLOR=black] --- [/COLOR][/SIZE][/COLOR][/SIZE][/SIZE][/FONT]And I neck size my cases and belong to the case should fit the chamber like "jello fits in the mold" fraternity. :) :) :) [/QUOTE]
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Forster bushing bump neck die?
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