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Rifles, Reloading, Optics, Equipment
Reloading
New brass and pressure
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<blockquote data-quote="QuietTexan" data-source="post: 2453921" data-attributes="member: 116181"><p>I've found that the coarse seating interval (meaning -.040" off versus -0.125" off) is pretty resilient to powder changes. It'll need to be tuned for sure but I wouldn't run another full coarse depth test for the same bullet if the powder is a relatively small change of H1000 to Retumbo.</p><p></p><p></p><p>Then no waste in testing the two longer major depths with the ELD-X IMO. I tend to throw book COL into seating depth tests if it doesn't fall in the 0.010/050/090/130" range already.</p><p></p><p>This is a Berger 210 VLD in my 300 RUM, you can see how far the 3.600" book spec was jumping.</p><p>[ATTACH=full]343968[/ATTACH]</p><p></p><p>Yeah, that's why the Peterson "long" 300WM brass is a game changer, it's built with that extra length originally to take that initial stretch out of the equation.</p><p></p><p>With the 300 PRC reamer problems it really keeps the 300 WM in the game for standard chambers. Even though the AW reamer should fix the PRC for anyone who builds a rifle, not always the case for off the shelf buyers. I'm wondering if we'll see if for the 7 Rem Mag eventually. </p><p>[URL unfurl="true"]https://www.petersoncartridge.com/match-grade-brass/brass-rifle-casings/300-win-mag/[/URL]</p></blockquote><p></p>
[QUOTE="QuietTexan, post: 2453921, member: 116181"] I've found that the coarse seating interval (meaning -.040" off versus -0.125" off) is pretty resilient to powder changes. It'll need to be tuned for sure but I wouldn't run another full coarse depth test for the same bullet if the powder is a relatively small change of H1000 to Retumbo. Then no waste in testing the two longer major depths with the ELD-X IMO. I tend to throw book COL into seating depth tests if it doesn't fall in the 0.010/050/090/130" range already. This is a Berger 210 VLD in my 300 RUM, you can see how far the 3.600" book spec was jumping. [ATTACH type="full" alt="1645659095783.png"]343968[/ATTACH] Yeah, that's why the Peterson "long" 300WM brass is a game changer, it's built with that extra length originally to take that initial stretch out of the equation. With the 300 PRC reamer problems it really keeps the 300 WM in the game for standard chambers. Even though the AW reamer should fix the PRC for anyone who builds a rifle, not always the case for off the shelf buyers. I'm wondering if we'll see if for the 7 Rem Mag eventually. [URL unfurl="true"]https://www.petersoncartridge.com/match-grade-brass/brass-rifle-casings/300-win-mag/[/URL] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
New brass and pressure
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