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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5 PRC with 156gr EOL?
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<blockquote data-quote="Greyfox" data-source="post: 2341459" data-attributes="member: 10291"><p>I run the 156's with my 6.5x284 at 2980FPS in two rifles with an 8 twist. At my lowest altitude if 300FT and 50F temperature, to 4500FT at 30F they appear to be stable with <.5MOA accuracy, with trajectories consistent with the Berger's published BC to 1000 yards. Using Berger's Twist rate calculator is a stability factor of 1.48 at the lowest elevation(300FT), and above 1.5 at my hunting elevations of +2400FT). Berger's claim of a minimum twist of 8 seems to be viable in my rifles.</p></blockquote><p></p>
[QUOTE="Greyfox, post: 2341459, member: 10291"] I run the 156’s with my 6.5x284 at 2980FPS in two rifles with an 8 twist. At my lowest altitude if 300FT and 50F temperature, to 4500FT at 30F they appear to be stable with <.5MOA accuracy, with trajectories consistent with the Berger’s published BC to 1000 yards. Using Berger’s Twist rate calculator is a stability factor of 1.48 at the lowest elevation(300FT), and above 1.5 at my hunting elevations of +2400FT). Berger’s claim of a minimum twist of 8 seems to be viable in my rifles. [/QUOTE]
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6.5 PRC with 156gr EOL?
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