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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5x284 norma
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<blockquote data-quote="Levi" data-source="post: 864104" data-attributes="member: 9568"><p>Using Berbers ballistic calculator, it seems that you are only cheating the wind by four inches @1000 yards with the 140 over the 130. I used a muzzle velocity of 2950 for the 140, and 3100 for the 130. It seems as the upfront speed of the 130 trumps the 140 in both energy and velocity out till about 700 yards. looking at the difference in sectional densities of the two bullets, and considering that Berger states 1800fps for reliable expansion, wouldn't you have less of a chance of a bullet penciling through at extended ranges with the 130 if you don't hit bone?</p></blockquote><p></p>
[QUOTE="Levi, post: 864104, member: 9568"] Using Berbers ballistic calculator, it seems that you are only cheating the wind by four inches @1000 yards with the 140 over the 130. I used a muzzle velocity of 2950 for the 140, and 3100 for the 130. It seems as the upfront speed of the 130 trumps the 140 in both energy and velocity out till about 700 yards. looking at the difference in sectional densities of the two bullets, and considering that Berger states 1800fps for reliable expansion, wouldn't you have less of a chance of a bullet penciling through at extended ranges with the 130 if you don't hit bone? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5x284 norma
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