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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Hammer ballistic coefficient tests...
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<blockquote data-quote="codyadams" data-source="post: 2615408" data-attributes="member: 87243"><p>It simply means that the litz value states it has a 24.3% lower bc value than Hammer. Or another way to say it, Hammer states their bc is 24.3% higher than the litz value. The percentage is relative eachother. For me the litz values aren't always right on either, however usually very close and still usually on my 20" tall steel target out to 1000. They are still just another starting point that needs to be verified.</p><p></p><p>After going back through my log book I have actually stretched out one Hammer bullet, the 7mm 143 hh. The advertised .230 g7 came out true enough to not warrant changing for me to 937 yards from a 9.25 twist 7 mag, using a VX6-HD 3-18 For dialing. I live at 6600 ft elevation, not sure how much that matters, it was factored into applied ballistics. They were right on waterline for me.</p><p></p><p>I honestly think the only way to get true and consistent published bc's across the board for the purpose of comparison would be if an unaffiliated company had a standardized method and tracked every bullet in existence. AB does just that, with some minor variations. They have pretty tight affiliations with Berger, that may cause some people pause. I can't say if it affects their testing, I personally have no clue. I still use their app. They also don't have all the bullets from smaller or especially newer manufacturers, understandably so. I have heard, though I am unaware if it is true, that they charge a fairly sizeable amount to profile a bullet. Not sure about any details, and I may be wrong.</p><p></p><p>Again, no dog in this fight. Just throwing out my observations, hoping to remain nuetral.</p></blockquote><p></p>
[QUOTE="codyadams, post: 2615408, member: 87243"] It simply means that the litz value states it has a 24.3% lower bc value than Hammer. Or another way to say it, Hammer states their bc is 24.3% higher than the litz value. The percentage is relative eachother. For me the litz values aren't always right on either, however usually very close and still usually on my 20" tall steel target out to 1000. They are still just another starting point that needs to be verified. After going back through my log book I have actually stretched out one Hammer bullet, the 7mm 143 hh. The advertised .230 g7 came out true enough to not warrant changing for me to 937 yards from a 9.25 twist 7 mag, using a VX6-HD 3-18 For dialing. I live at 6600 ft elevation, not sure how much that matters, it was factored into applied ballistics. They were right on waterline for me. I honestly think the only way to get true and consistent published bc's across the board for the purpose of comparison would be if an unaffiliated company had a standardized method and tracked every bullet in existence. AB does just that, with some minor variations. They have pretty tight affiliations with Berger, that may cause some people pause. I can't say if it affects their testing, I personally have no clue. I still use their app. They also don't have all the bullets from smaller or especially newer manufacturers, understandably so. I have heard, though I am unaware if it is true, that they charge a fairly sizeable amount to profile a bullet. Not sure about any details, and I may be wrong. Again, no dog in this fight. Just throwing out my observations, hoping to remain nuetral. [/QUOTE]
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Hammer ballistic coefficient tests...
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