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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
210 Berger vs 208 A-MAX
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<blockquote data-quote="BryanLitz" data-source="post: 292570" data-attributes="member: 7848"><p>I've measured both bullets using the same methodology (acoustic sensors in 200 yard increments out to 600 yards).</p><p></p><p>Hornady 208 grain Amax</p><p>G1 BC = .633 (average value from 3000 fps to 1500 fps)</p><p>G7 BC = .324 (valid for all velocities)</p><p></p><p>Berger 210 grain VLD</p><p>G1 BC = .631 (average value from 3000 fps to 1500 fps)</p><p>G7 BC = .323 (valid for all velocities)</p><p></p><p>As an interesting point regarding velocity dependence, I measured the G1 BC to go from .585 at 1500 fps to .664 at 3000 fps. This is in pretty good agreement (within 1%) with Michael's value of .671 at 2950 fps. My G7 BC of .323 only varied from .321 to .326 between 1500 and 3000 fps.</p><p></p><p>The 208 Amax is a very well designed bullet, and has a lower drag profile than the VLD in this case. Having 2 grains less weight (about 1%), the bullet is able to achieve a slightly higher BC because it has less drag.</p><p>I don't think Hornady recommends the Amax for hunting, although I've heard many accounts of them performing very well on game.</p><p></p><p>-Bryan</p></blockquote><p></p>
[QUOTE="BryanLitz, post: 292570, member: 7848"] I've measured both bullets using the same methodology (acoustic sensors in 200 yard increments out to 600 yards). Hornady 208 grain Amax G1 BC = .633 (average value from 3000 fps to 1500 fps) G7 BC = .324 (valid for all velocities) Berger 210 grain VLD G1 BC = .631 (average value from 3000 fps to 1500 fps) G7 BC = .323 (valid for all velocities) As an interesting point regarding velocity dependence, I measured the G1 BC to go from .585 at 1500 fps to .664 at 3000 fps. This is in pretty good agreement (within 1%) with Michael's value of .671 at 2950 fps. My G7 BC of .323 only varied from .321 to .326 between 1500 and 3000 fps. The 208 Amax is a very well designed bullet, and has a lower drag profile than the VLD in this case. Having 2 grains less weight (about 1%), the bullet is able to achieve a slightly higher BC because it has less drag. I don't think Hornady recommends the Amax for hunting, although I've heard many accounts of them performing very well on game. -Bryan [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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210 Berger vs 208 A-MAX
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