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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5mm - 25cal = .007"
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<blockquote data-quote="257 Blackjack" data-source="post: 1566581" data-attributes="member: 106220"><p>131 gr in 0.257 scales to 141.9 gr in 264 FYI.</p><p></p><p>139 gr in 257 reaches your estimation of 150 gr and 143 gr in 257 reaches your estimation of 155 gr in 264.</p><p></p><p>Out of the same parent cases the 131 ACE will outrun any 6.5 bullet in Wind, Trajectory, and Kinetic Energy. It now takes the 6.5 to step up one power level, go from standard case to magnum, or magnum to a bigger magnum, to level this out.</p><p></p><p>For a great practiced shooter of course this does not matter, but for those wanting the most wind certainty they can get and enjoy the benefits of flatter trajectory and a bit more energy on target, those are just secondary benefits.</p><p></p><p>The big 6.5s will catch up eventually, about one mile downrange. : )</p></blockquote><p></p>
[QUOTE="257 Blackjack, post: 1566581, member: 106220"] 131 gr in 0.257 scales to 141.9 gr in 264 FYI. 139 gr in 257 reaches your estimation of 150 gr and 143 gr in 257 reaches your estimation of 155 gr in 264. Out of the same parent cases the 131 ACE will outrun any 6.5 bullet in Wind, Trajectory, and Kinetic Energy. It now takes the 6.5 to step up one power level, go from standard case to magnum, or magnum to a bigger magnum, to level this out. For a great practiced shooter of course this does not matter, but for those wanting the most wind certainty they can get and enjoy the benefits of flatter trajectory and a bit more energy on target, those are just secondary benefits. The big 6.5s will catch up eventually, about one mile downrange. : ) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5mm - 25cal = .007"
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