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Rifles, Reloading, Optics, Equipment
Reloading
on the 308 bandwagon with 215 advise
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<blockquote data-quote="mikebob" data-source="post: 1267951" data-attributes="member: 6041"><p>dude i know you want to let everyone on here know how smart you are but from every thing i have ever read, discussed with brass manufacturer,you can call them they will be happy to tell you this since they design and build it, FOR EXAMPLE HORNADY SINCE YOU BROUGHT THEM UP READ HORNADY 8TH EDITION MANUAL PAGE 23. its right in their manual to measure expansion and when it hits .0005 its max pressure. there are tools to read chamber pressures and i have used a few. and every one of them will tell you when you are starting to hit pressure case expansion is at .0002 and max is at .0005 except magnums which is not uncommon for .0006.</p><p></p><p>I am not shooting a 208gr amax bullet so my pressure, velocity, etc wont be the same.</p><p></p><p>a 215 berger bullet with a shorter bearing surface, jacket, a different design, will not have the same pressure spikes as a 208gr hornady bullet. with all your measuring equipment i thought you would know that.</p><p></p><p>in my 300wm i can shoot the 215 faster than the 210vld with slightly less powder charge. i hit max pressure with the 210 at 78 gr and i went to 78.5 with 215 and no pressure. it has a much shorter bearing surface. even shooting at node 76gr the 215 has more velocity than the 210 at 77.</p><p></p><p> hence me asking people who actually shoot the 215 since no data recorded in manual.</p><p></p><p>Do you think every member on here goes and buys a chamber pressure guage to figure up their loads. i remember talking with speer a few years ago about this very thing, i was told that they shoot their test until .0005 expansion and then backed down 6% and that is what is published in the manual</p><p></p><p>unless you shoot the 215 and have data on that bullet then you need not to respond</p></blockquote><p></p>
[QUOTE="mikebob, post: 1267951, member: 6041"] dude i know you want to let everyone on here know how smart you are but from every thing i have ever read, discussed with brass manufacturer,you can call them they will be happy to tell you this since they design and build it, FOR EXAMPLE HORNADY SINCE YOU BROUGHT THEM UP READ HORNADY 8TH EDITION MANUAL PAGE 23. its right in their manual to measure expansion and when it hits .0005 its max pressure. there are tools to read chamber pressures and i have used a few. and every one of them will tell you when you are starting to hit pressure case expansion is at .0002 and max is at .0005 except magnums which is not uncommon for .0006. I am not shooting a 208gr amax bullet so my pressure, velocity, etc wont be the same. a 215 berger bullet with a shorter bearing surface, jacket, a different design, will not have the same pressure spikes as a 208gr hornady bullet. with all your measuring equipment i thought you would know that. in my 300wm i can shoot the 215 faster than the 210vld with slightly less powder charge. i hit max pressure with the 210 at 78 gr and i went to 78.5 with 215 and no pressure. it has a much shorter bearing surface. even shooting at node 76gr the 215 has more velocity than the 210 at 77. hence me asking people who actually shoot the 215 since no data recorded in manual. Do you think every member on here goes and buys a chamber pressure guage to figure up their loads. i remember talking with speer a few years ago about this very thing, i was told that they shoot their test until .0005 expansion and then backed down 6% and that is what is published in the manual unless you shoot the 215 and have data on that bullet then you need not to respond [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
on the 308 bandwagon with 215 advise
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