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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
California varmint/lead free design - 20/5.7x28FN - discussion
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<blockquote data-quote="Deleted member 46119" data-source="post: 1099969"><p>Well, maybe I should have put this in the varmint section.</p><p></p><p>I've been electronically scratching this out. The 20/5.7x28FN still fits my thoughts better. </p><p></p><p>Two design criteria not mentioned above.</p><p></p><p>Maintain +1800fps to ~300 yards</p><p>Download to subsonic, just at sea level with balistics very close to a 22LR.</p><p></p><p>Does anyone know the minimum impact velocity of the Barnes 204 caliber 26 grain Varmint Grenade?</p><p></p><p>Does anyone know the "usual" behavior of flat base bullets transitioning from supersonic to subsonic?</p></blockquote><p></p>
[QUOTE="Deleted member 46119, post: 1099969"] Well, maybe I should have put this in the varmint section. I've been electronically scratching this out. The 20/5.7x28FN still fits my thoughts better. Two design criteria not mentioned above. Maintain +1800fps to ~300 yards Download to subsonic, just at sea level with balistics very close to a 22LR. Does anyone know the minimum impact velocity of the Barnes 204 caliber 26 grain Varmint Grenade? Does anyone know the "usual" behavior of flat base bullets transitioning from supersonic to subsonic? [/QUOTE]
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California varmint/lead free design - 20/5.7x28FN - discussion
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