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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
30 Nosler vs 300WM vs 300PRC
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<blockquote data-quote="MagnumManiac" data-source="post: 2358831" data-attributes="member: 10755"><p>With a 50/50 mix of water and isopropyl alcohol, my fireformed RUM brass has 114g of that mix.</p><p>I don't see it getting much over 3000fps with a 245g, even with the 4" box and longer seating depth. The 215g should surpass 3100fps with ease. </p><p>This is the way I have gone with all of my RUM based builds. My Edge was a great shooter, but it just wasn't fast enough.</p><p>The 300 RUM I have is peculiar, it gets an average of 3385fps with 165g TTSX, but the 180g TTSX only got 3080fps, supposed to be 3250fps.</p><p>If you can get 3000fps from a 245g in a SAUM based cartridge, then I'm gonna give this all up.</p><p>2 weekends ago, I ran my fireformed Winchester brass with 180g Accubonds and 81g of RE25, WLRM primers over the chrono. Average velocity was 3240fps, the barrel has just sped up, so I was expecting an increase, it went from 3160fps average.</p><p>Primers were a little flatter than normal, however, the same brass, pills and primer with H1000 showed a 40fps increase….does anyone else find this fascinating?</p><p></p><p>Cheers.</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 2358831, member: 10755"] With a 50/50 mix of water and isopropyl alcohol, my fireformed RUM brass has 114g of that mix. I don’t see it getting much over 3000fps with a 245g, even with the 4” box and longer seating depth. The 215g should surpass 3100fps with ease. This is the way I have gone with all of my RUM based builds. My Edge was a great shooter, but it just wasn’t fast enough. The 300 RUM I have is peculiar, it gets an average of 3385fps with 165g TTSX, but the 180g TTSX only got 3080fps, supposed to be 3250fps. If you can get 3000fps from a 245g in a SAUM based cartridge, then I’m gonna give this all up. 2 weekends ago, I ran my fireformed Winchester brass with 180g Accubonds and 81g of RE25, WLRM primers over the chrono. Average velocity was 3240fps, the barrel has just sped up, so I was expecting an increase, it went from 3160fps average. Primers were a little flatter than normal, however, the same brass, pills and primer with H1000 showed a 40fps increase….does anyone else find this fascinating? Cheers. [/QUOTE]
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30 Nosler vs 300WM vs 300PRC
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