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Long Range Hunting & Shooting
Q&A: 300 WM with 210 gr VLD Hunting Project
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<blockquote data-quote="entoptics" data-source="post: 1631998" data-attributes="member: 104268"><p>Regarding trimmers, I use a <a href="https://www.btibrands.com/product/platinum-series-case-trim-and-prep-center/" target="_blank">Frankford Arsenal case prep</a> center. It does a good job, and has all the other widgets for brass prep. Honestly though, any trimmer, if used correctly, should get you acceptable tolerances. I have an RCBS hand crank one, and it served well for years.</p><p></p><p>I use the <a href="https://kmshooting.com/neck-turning-tools.html" target="_blank">K&M neck turning tool</a> with a hand drill. Again, there's a number of good units, any of which can do a great job, when used properly.</p><p></p><p>Lastly, the Forster Co-Ax gets good reviews, but I'm not convinced that a press (or any one item) will be a magic bullet for runout. I get <0.002 runout on all my 300WM, whether I use my Dillon 550B progressive or my ancient Lyman Orange Crusher single stage.</p><p></p><p>If you're having concentricity issues, you just have to isolate the source. Start with neck turned brass to eliminate that variable...</p><p></p><p>1) Measure clean fired brass...no runout? Then it's not the rifle's chamber.</p><p>2) Run it through the sizing die...no runout? Then it's not the sizer or press</p><p>3) Run it through the seater...no runout? Then you're good to go.</p><p></p><p>If runout shows up with 2 or 3, then start trying the various tricks to decrease it. If none work, then it's time to look hard at your dies or press.</p></blockquote><p></p>
[QUOTE="entoptics, post: 1631998, member: 104268"] Regarding trimmers, I use a [URL='https://www.btibrands.com/product/platinum-series-case-trim-and-prep-center/']Frankford Arsenal case prep[/URL] center. It does a good job, and has all the other widgets for brass prep. Honestly though, any trimmer, if used correctly, should get you acceptable tolerances. I have an RCBS hand crank one, and it served well for years. I use the [URL='https://kmshooting.com/neck-turning-tools.html']K&M neck turning tool[/URL] with a hand drill. Again, there's a number of good units, any of which can do a great job, when used properly. Lastly, the Forster Co-Ax gets good reviews, but I'm not convinced that a press (or any one item) will be a magic bullet for runout. I get <0.002 runout on all my 300WM, whether I use my Dillon 550B progressive or my ancient Lyman Orange Crusher single stage. If you're having concentricity issues, you just have to isolate the source. Start with neck turned brass to eliminate that variable... 1) Measure clean fired brass...no runout? Then it's not the rifle's chamber. 2) Run it through the sizing die...no runout? Then it's not the sizer or press 3) Run it through the seater...no runout? Then you're good to go. If runout shows up with 2 or 3, then start trying the various tricks to decrease it. If none work, then it's time to look hard at your dies or press. [/QUOTE]
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Q&A: 300 WM with 210 gr VLD Hunting Project
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