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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
270 win vs 280 ai
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<blockquote data-quote="CogburnR" data-source="post: 947959" data-attributes="member: 29174"><p>Just do a 270AI or 270 Sherman.</p><p></p><p>Velocity for the 270 Sherman is the same(or better) as the 280AI and have a higher BC bullet in the same weight. The 270 Sherman will drive the 165 Matrix 3000fps+. The 280AI has about 5% less powder capacity than a 270 Sherman. A straight 270 Win will be 150fps or so slower. </p><p></p><p>7mm Matrix vld bc .608</p><p></p><p>270 Matrix 165 vld .650.</p><p></p><p>7mm 180 Berger vld bc .659</p><p></p><p>270 Matrix 175 vld bc .680</p></blockquote><p></p>
[QUOTE="CogburnR, post: 947959, member: 29174"] Just do a 270AI or 270 Sherman. Velocity for the 270 Sherman is the same(or better) as the 280AI and have a higher BC bullet in the same weight. The 270 Sherman will drive the 165 Matrix 3000fps+. The 280AI has about 5% less powder capacity than a 270 Sherman. A straight 270 Win will be 150fps or so slower. 7mm Matrix vld bc .608 270 Matrix 165 vld .650. 7mm 180 Berger vld bc .659 270 Matrix 175 vld bc .680 [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
270 win vs 280 ai
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