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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
300 Norma (or NMI) 230 Berger Hybrids real velocities
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<blockquote data-quote="7.62 Gunner" data-source="post: 2478985" data-attributes="member: 121641"><p>I've owned and compared a 300 wm, 300prc, 30 SM (waste of time for 1 grain improvement), 30 NM, and now a 30 Nos.</p><p>All had 26" custom throated barrels except my 30 Nos which is 24".</p><p></p><p>Here's my data just before pressure signs showed up.</p><p>300 PRC 225 eldm H1000- 2890</p><p>300 Prc 215 N570- 3025</p><p></p><p>30 SM 215 H1000- 3000</p><p>30 SM 225 eldm H1000- 2930</p><p></p><p>300 NM 230 hybrid retumbo- 2970</p><p>300 NM 215 h1000- 3050</p><p></p><p>30 Nos (24" barrel) 220 LRHT h1000- 3000</p><p>30 Nos 245 berger H1000- 2850</p><p>30 nos 225 eldm h1000- 2950</p><p></p><p>Unless you're chasing ultimate velocity the 30 Nos is my favorite without a doubt.</p><p>ADG case capacity is around 100-101 grains while the 300 NM lapua is 103, the prc is 95 grains with ADG, and the 30 SM got to a whopping 96..</p><p>The 300NM case stretches a stupid amount and needed trimmed every other firing, I'd do the 300 NMI 40 degree shoulder version if you're set on that case.</p><p>And if you don't want to handload the 300 PRC makes the most sense, although it's really not any faster than a 300 WM.</p></blockquote><p></p>
[QUOTE="7.62 Gunner, post: 2478985, member: 121641"] I've owned and compared a 300 wm, 300prc, 30 SM (waste of time for 1 grain improvement), 30 NM, and now a 30 Nos. All had 26" custom throated barrels except my 30 Nos which is 24". Here's my data just before pressure signs showed up. 300 PRC 225 eldm H1000- 2890 300 Prc 215 N570- 3025 30 SM 215 H1000- 3000 30 SM 225 eldm H1000- 2930 300 NM 230 hybrid retumbo- 2970 300 NM 215 h1000- 3050 30 Nos (24" barrel) 220 LRHT h1000- 3000 30 Nos 245 berger H1000- 2850 30 nos 225 eldm h1000- 2950 Unless you're chasing ultimate velocity the 30 Nos is my favorite without a doubt. ADG case capacity is around 100-101 grains while the 300 NM lapua is 103, the prc is 95 grains with ADG, and the 30 SM got to a whopping 96.. The 300NM case stretches a stupid amount and needed trimmed every other firing, I'd do the 300 NMI 40 degree shoulder version if you're set on that case. And if you don't want to handload the 300 PRC makes the most sense, although it's really not any faster than a 300 WM. [/QUOTE]
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300 Norma (or NMI) 230 Berger Hybrids real velocities
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