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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
number crunchers what did i miss
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<blockquote data-quote="ar10ar15man" data-source="post: 1638809" data-attributes="member: 106836"><p>i currently shoot a 300 win mag at 3.6xx with a berger 230 at 2900 fps at 2000 yards. it stays super sonic past 2k. it is super sonic starting at 2800 fps past 2k</p><p>if i substitute a hornady 220 even at 2900 it is SUB sonic before2k</p><p>with a 220 cutting edge (NOT OUT YET) i get the same answer..SUB sonic before 2000.</p><p></p><p>10 grains of weight, even with a bit more velocity the 220s go sun sonic before 2k.</p><p>the cutting edge is 1.8 long solid copper</p><p></p><p>what am i missing</p></blockquote><p></p>
[QUOTE="ar10ar15man, post: 1638809, member: 106836"] i currently shoot a 300 win mag at 3.6xx with a berger 230 at 2900 fps at 2000 yards. it stays super sonic past 2k. it is super sonic starting at 2800 fps past 2k if i substitute a hornady 220 even at 2900 it is SUB sonic before2k with a 220 cutting edge (NOT OUT YET) i get the same answer..SUB sonic before 2000. 10 grains of weight, even with a bit more velocity the 220s go sun sonic before 2k. the cutting edge is 1.8 long solid copper what am i missing [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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number crunchers what did i miss
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