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<blockquote data-quote="Greyfox" data-source="post: 717113" data-attributes="member: 10291"><p>I agree with Benchracers answer. John Taylor, an African hunter over a century ago had a similiar question and devised a "Knock out" formula for solids for use on big game. Overall ot took bullet diameter, weight, and velocity into consideration and proved to be a useful approach. It csn be loosely applied to bonded bullets to give a fairly good comparison. The formula is;</p><p></p><p>(Bullet diameter x velocity x bullet weight) / 7000 = knock out value</p><p></p><p>308. 180x2600x.308/7000= 20.6 KO</p><p>6.5. 140x2950x.264/7000= 15.6 KO</p><p>338. 300x2750x..338/7000=39.8KO</p><p>223. 69x3000x .223/7000= 6.6KO</p><p></p><p>Not perfect because bullet performance comes into play but itdoes speak to killing power and gives a comparison that applies multiple factors which is somewhat answering your question.</p></blockquote><p></p>
[QUOTE="Greyfox, post: 717113, member: 10291"] I agree with Benchracers answer. John Taylor, an African hunter over a century ago had a similiar question and devised a "Knock out" formula for solids for use on big game. Overall ot took bullet diameter, weight, and velocity into consideration and proved to be a useful approach. It csn be loosely applied to bonded bullets to give a fairly good comparison. The formula is; (Bullet diameter x velocity x bullet weight) / 7000 = knock out value 308. 180x2600x.308/7000= 20.6 KO 6.5. 140x2950x.264/7000= 15.6 KO 338. 300x2750x..338/7000=39.8KO 223. 69x3000x .223/7000= 6.6KO Not perfect because bullet performance comes into play but itdoes speak to killing power and gives a comparison that applies multiple factors which is somewhat answering your question. [/QUOTE]
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