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Rifles, Reloading, Optics, Equipment
Gunsmithing
257 WBY resizing problem
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<blockquote data-quote="pennytoo" data-source="post: 565314" data-attributes="member: 38050"><p>Thanks for your information.</p><p>I just don't understand the mechanics of this problem. I can't see how if the case goes all the way into the full length resizing die .it will not fit freely into the rifle especially if it had been fired in the same gun.</p><p>I guess ??? that the possible problem with neck sizing in a standard (non bushing non collet) die could be that the brass in the wall of the case is not supported and the thrust against the neck causes it to bulge slightly??? I have not been able to measure any differences but this is not a truly accurate system because I can't locate the micrometer caliper in the exact same location on several cases (before and after neck sizing).</p><p>For now I am full length sizing twice, that is i run the case into the die withdraw it rotate in 1/2 turn and resize again "witchcraft?". I then fit each case into the rifle to make sure that it fits before reloading. btw I am shooting Barnes 100Gr tipped triple shock, 67.5 Gr IMR 7828 which gives me 3,470 FPS and groups are averaging 1 MOA for five shots. The rifle is a Ruger #1 with a custom "frozen" 25" barrel, single set trigger in custom composite stock,Leupold 4X12 VX 3.</p><p>I really enjoy the shooting and will somehow make the reloading more fun too. </p><p></p><p>Good luck,</p><p></p><p>bob</p></blockquote><p></p>
[QUOTE="pennytoo, post: 565314, member: 38050"] Thanks for your information. I just don't understand the mechanics of this problem. I can't see how if the case goes all the way into the full length resizing die .it will not fit freely into the rifle especially if it had been fired in the same gun. I guess ??? that the possible problem with neck sizing in a standard (non bushing non collet) die could be that the brass in the wall of the case is not supported and the thrust against the neck causes it to bulge slightly??? I have not been able to measure any differences but this is not a truly accurate system because I can't locate the micrometer caliper in the exact same location on several cases (before and after neck sizing). For now I am full length sizing twice, that is i run the case into the die withdraw it rotate in 1/2 turn and resize again "witchcraft?". I then fit each case into the rifle to make sure that it fits before reloading. btw I am shooting Barnes 100Gr tipped triple shock, 67.5 Gr IMR 7828 which gives me 3,470 FPS and groups are averaging 1 MOA for five shots. The rifle is a Ruger #1 with a custom "frozen" 25" barrel, single set trigger in custom composite stock,Leupold 4X12 VX 3. I really enjoy the shooting and will somehow make the reloading more fun too. Good luck, bob [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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257 WBY resizing problem
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