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Hunting
Long Range Hunting & Shooting
Hammer bullets- Which ballistic Calculator?
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<blockquote data-quote="Bravo 4" data-source="post: 2459752" data-attributes="member: 8873"><p>Old school way: Divide the G7 BC by .512 and it will give you a close enough G1 to start with. As laker stated, their numbers might not be 100% what your rifle actually produces. Not a hit on Hammer at all, but only use a manufacturer's number as a start point. BC may not be the same rifle to rifle. </p><p>An example is the new'ish 390 grain Hornady ATip, it's advertised as .987 G1 when my testing shows .96 G1. That <3% error might not sound like much, but at really long ranges it can be. My last outing with that rifle it could have made a difference of aiming at the top of my head and hitting me in the ankles.<img class="smilie smilie--emoji" loading="lazy" alt="😂" title="Face with tears of joy :joy:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f602.png" data-shortname=":joy:" /></p></blockquote><p></p>
[QUOTE="Bravo 4, post: 2459752, member: 8873"] Old school way: Divide the G7 BC by .512 and it will give you a close enough G1 to start with. As laker stated, their numbers might not be 100% what your rifle actually produces. Not a hit on Hammer at all, but only use a manufacturer’s number as a start point. BC may not be the same rifle to rifle. An example is the new’ish 390 grain Hornady ATip, it’s advertised as .987 G1 when my testing shows .96 G1. That <3% error might not sound like much, but at really long ranges it can be. My last outing with that rifle it could have made a difference of aiming at the top of my head and hitting me in the ankles.😂 [/QUOTE]
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Hammer bullets- Which ballistic Calculator?
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