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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Short barrel magnum velocity?
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<blockquote data-quote="SqueakyHunter" data-source="post: 473791" data-attributes="member: 31284"><p><span style="color: black"><span style="font-family: 'Arial'">Wow. Buzzgun (and Charlie Sisk) - excellent work.</span></span></p><p> </p><p><span style="color: black"><span style="font-family: 'Arial'">I see it's been several years since this info was updated. Perhaps I can jumpstart the thread again.</span></span></p><p> </p><p><span style="font-family: 'Arial'">I was especially intrigued by Charlie Sisk's info related to the .338 WinMag and the .340 WbyMag. I love medium bores - .323 to .375 – and I suppose the .338 caliber offers the best of all possible worlds as a medium bore.</span></p><p><span style="font-family: 'Arial'">I have long reviewed the reloading manuals (Nosler, Hornady, Lyman) and wanted to setup a test to find the optimal powder/barrel/bullet pairings for the .338 caliber. That is, instead of just assuming a .338 WinMag has a 24inch barrel, and then experimenting with the loads in the book to find one you like – I want to find the "optimization" points for each bullet-weight/powder combination. Where "optimum" means; the most velocity, least muzzle flash, for each given barrel length – let's call that "the most efficient load."</span></p><p></p><p><span style="font-family: 'Arial'">A chart that shows:</span></p><ul> <li data-xf-list-type="ul"><span style="font-family: 'Arial'">For a .338 cal., 225 grain Nosler Partition, from a 26 inch barrel – here is the best cartridge/powder/bullet combination</span></li> <li data-xf-list-type="ul"><span style="font-family: 'Arial'">For a 24 inch barrel – use this combination</span></li> <li data-xf-list-type="ul"><span style="font-family: 'Arial'">For a 22 inch barrel – use this combination</span></li> <li data-xf-list-type="ul"><span style="font-family: 'Arial'">For a 20 inch barrel – use this combination</span></li> </ul><p><span style="font-family: 'Arial'">Then I can use that reference chart to help me pick my cartridge and rifle configuration relative to any given game & hunting condition.</span></p><p> </p><p></p><p><span style="font-family: 'Arial'">I love carbine style rifles. I own and shoot a pair of Remington Model 600 Mohawks my father gave me back in the 1970s…and I'll take them to my grave. I also owned and hunted with a 26 inch barrel .300WbyMag in those heady college days when I thought I knew more about guns than my father. I later sold the long skinny Weatherby, and have not owned a long barreled rifle since.</span></p><p> </p><p><span style="font-family: 'Arial'">I would love to see Charlie put together a Big-Bore chart as well. I owned a custom .416 RemMag for several years with a 22 inch barrel. Factory ammo in that rifle reliably clocked 2400 to 2410 FPS. That short .416 has clobbered Lion, Buffalo, Elephant, Leopard, Eland, Kudu, Sable, Waterbuck, Zebra, Wildebeest, and Impala. It is great – though I ultimately gave it to a buddy who hunts Africa far more often than I. </span></p><p> </p><p><span style="font-family: 'Arial'">As I contemplate a return to the Dark Continent, I would love to have a new Buffalo/Elephant thumper with a 22 or even 20 inch barrel. The challenge is what cartridge - bullet-weight - powder combination would be optimal in a short, fast handling dangerous game carbine? Is the .416Rem the way to go again? Or maybe a .458 Ackley, or a .460 Short A-Square?</span></p><p> </p><p><span style="font-family: 'Arial'">Maybe I'll go find Charlie and we'll figure it out together.</span></p></blockquote><p></p>
[QUOTE="SqueakyHunter, post: 473791, member: 31284"] [COLOR=black][FONT=Arial]Wow. Buzzgun (and Charlie Sisk) - excellent work.[/FONT][/COLOR] [COLOR=black][FONT=Arial]I see it's been several years since this info was updated. Perhaps I can jumpstart the thread again.[/FONT][/COLOR] [FONT=Arial]I was especially intrigued by Charlie Sisk’s info related to the .338 WinMag and the .340 WbyMag. I love medium bores - .323 to .375 – and I suppose the .338 caliber offers the best of all possible worlds as a medium bore.[/FONT] [FONT=Arial]I have long reviewed the reloading manuals (Nosler, Hornady, Lyman) and wanted to setup a test to find the optimal powder/barrel/bullet pairings for the .338 caliber. That is, instead of just assuming a .338 WinMag has a 24inch barrel, and then experimenting with the loads in the book to find one you like – I want to find the “optimization” points for each bullet-weight/powder combination. Where “optimum” means; the most velocity, least muzzle flash, for each given barrel length – let’s call that “the most efficient load.”[/FONT] [FONT=Arial]A chart that shows:[/FONT] [LIST] [*][FONT=Arial]For a .338 cal., 225 grain Nosler Partition, from a 26 inch barrel – here is the best cartridge/powder/bullet combination[/FONT] [*][FONT=Arial]For a 24 inch barrel – use this combination[/FONT] [*][FONT=Arial]For a 22 inch barrel – use this combination[/FONT] [*][FONT=Arial]For a 20 inch barrel – use this combination[/FONT] [/LIST][FONT=Arial]Then I can use that reference chart to help me pick my cartridge and rifle configuration relative to any given game & hunting condition.[/FONT] [FONT=Arial][/FONT] [FONT=Arial]I love carbine style rifles. I own and shoot a pair of Remington Model 600 Mohawks my father gave me back in the 1970s…and I’ll take them to my grave. I also owned and hunted with a 26 inch barrel .300WbyMag in those heady college days when I thought I knew more about guns than my father. I later sold the long skinny Weatherby, and have not owned a long barreled rifle since.[/FONT] [FONT=Arial][/FONT] [FONT=Arial]I would love to see Charlie put together a Big-Bore chart as well. I owned a custom .416 RemMag for several years with a 22 inch barrel. Factory ammo in that rifle reliably clocked 2400 to 2410 FPS. That short .416 has clobbered Lion, Buffalo, Elephant, Leopard, Eland, Kudu, Sable, Waterbuck, Zebra, Wildebeest, and Impala. It is great – though I ultimately gave it to a buddy who hunts Africa far more often than I. [/FONT] [FONT=Arial][/FONT] [FONT=Arial]As I contemplate a return to the Dark Continent, I would love to have a new Buffalo/Elephant thumper with a 22 or even 20 inch barrel. The challenge is what cartridge - bullet-weight - powder combination would be optimal in a short, fast handling dangerous game carbine? Is the .416Rem the way to go again? Or maybe a .458 Ackley, or a .460 Short A-Square?[/FONT] [FONT=Arial]Maybe I’ll go find Charlie and we’ll figure it out together.[/FONT] [/QUOTE]
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Short barrel magnum velocity?
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