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The Range
Ammo & Reloading
100 years down the drain
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<blockquote data-quote="MoBoost" data-source="post: 1562882" data-attributes="member: 3455"><p>1) I'm glad we were able to keep this civilized, even though I kept throwing pokes and some of the beloved cartridges.</p><p></p><p>2) I'm really not a "fan-boy" - I don't even own a 7x57 rifle, but the more I crunch the numbers the more I end up with the formula for optimal energy VS delivery cartridge dimensions</p><p></p><p>X (cal in .001 inch)</p><p>0.2 * X (length in mm) </p><p>1.66 * X (base in .001 inch)</p><p>0.21 * X (volume in grains H2O)</p><p></p><p>And here is the list of cartridged that fit it:</p><p></p><p>224x45/373 dead on 223 Rem </p><p>243x49/403 ????</p><p>257x51/426 dead on 25 Remington </p><p>264x52/438 very close to 260 Rem</p><p>277x55/460 ???</p><p>285x57/473 7x57</p><p>308x62/511 close to 30-06</p><p>325x65/539 close to 8mm-06 and looks like a better match per case volume</p><p>338x68/561 dead on 338 lapua</p><p></p><p>3) I love ridicules cartridges like 264wsm and 300 RUM, I love all military cartridges despite their draw backs, and I really like archaic cartridges like 30-30 and 45-70. However, I draw a line between what I like and what is logically optimal.</p><p></p><p>4) *hopefully this will spark some argument.</p><p>There seems to be a taboo to say that one cartridge is better than the other. I think it's fantastic that we got 100s to choose from, but when someone asks - what would be a good first deer rifle - there is a CORRECT answer! </p><p>And it is 260rem or 7mm-08 - everything else is just won't deliver the goods as efficient. Either one will take deer at 600 yards COMFORTABLY. </p><p></p><p>Lets see some other common suggestions:</p><p></p><p>270 - 260 ballistics, 50% more kick, 10% more energy ....</p><p>30-06 - over a foot over extra drop at 600, 50% more kick, but with VLD delivers 30-40% more energy</p><p>308 - over a foot extra drop at 600, same kick, same energy</p></blockquote><p></p>
[QUOTE="MoBoost, post: 1562882, member: 3455"] 1) I'm glad we were able to keep this civilized, even though I kept throwing pokes and some of the beloved cartridges. 2) I'm really not a "fan-boy" - I don't even own a 7x57 rifle, but the more I crunch the numbers the more I end up with the formula for optimal energy VS delivery cartridge dimensions X (cal in .001 inch) 0.2 * X (length in mm) 1.66 * X (base in .001 inch) 0.21 * X (volume in grains H2O) And here is the list of cartridged that fit it: 224x45/373 dead on 223 Rem 243x49/403 ???? 257x51/426 dead on 25 Remington 264x52/438 very close to 260 Rem 277x55/460 ??? 285x57/473 7x57 308x62/511 close to 30-06 325x65/539 close to 8mm-06 and looks like a better match per case volume 338x68/561 dead on 338 lapua 3) I love ridicules cartridges like 264wsm and 300 RUM, I love all military cartridges despite their draw backs, and I really like archaic cartridges like 30-30 and 45-70. However, I draw a line between what I like and what is logically optimal. 4) *hopefully this will spark some argument. There seems to be a taboo to say that one cartridge is better than the other. I think it's fantastic that we got 100s to choose from, but when someone asks - what would be a good first deer rifle - there is a CORRECT answer! And it is 260rem or 7mm-08 - everything else is just won't deliver the goods as efficient. Either one will take deer at 600 yards COMFORTABLY. Lets see some other common suggestions: 270 - 260 ballistics, 50% more kick, 10% more energy .... 30-06 - over a foot over extra drop at 600, 50% more kick, but with VLD delivers 30-40% more energy 308 - over a foot extra drop at 600, same kick, same energy [/QUOTE]
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