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Joined: Jun 2007
Posts: 24,639 Likes: 36
Campfire Ranger
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Campfire Ranger
Joined: Jun 2007
Posts: 24,639 Likes: 36 |
jwp,
When the Ramshot ballistic lab tested powder for temp sensitivity, they used ammo that had been chilled or heated--which has been done many times over the decades. In fact that's what Bob Hagel did for the results listed in his classic book, Game Loads and Practical Balliistics for the American Hunter.
But when I started testing powders for temp-resistance in the 1990s, I found that sometimes just heating/cooling ammo didn't produce the same results as when actually testing BOTH rifles and ammo in different temperatures. In fact the results only agreed maybe 20% of the time. There are several reasons for this, but it's why I don't trust results shot with ONLY the ammo heated or cooled.
This is also why the test results I list in Chapter 10 of The Big Book of Gun Gack II were primarily shot at actual temperatures, not with just the ammo heated or cooled.
Might also mention--as I have many times in various articles and books--that just about any modern smokeless rifle powder will produce very consistent results at any temperature from the 20s to 80s Fahrenheit, at least for typical big game ammo.
It's also well-known among Shrapnel's friends that he almost never hunts when it's really cold or hot.... I believe it was Mule Deer that made the observation several years ago about all the cracked windshields in trucks in Montana were from cartridges loaded with H335 powder and they cooked off in the sun, cracking the windshields. Even I know when you are kidding and my temperature sensitivity testing goes beyond mild fall days, but you already knew that...
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Entire Thread
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165 grain bullet, 30-06 ,imr 4350 thread
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blanket
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Stammster
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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saddlesore
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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bluefish
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Gaschekt
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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alpinecrick
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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las
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01/06/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Godogs57
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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beretzs
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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River_Ridge
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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kenjs1
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Teeder
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01/05/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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keith
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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DropTyne
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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jwp475
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Motown
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01/06/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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jwp475
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01/06/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Mule Deer
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01/07/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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shrapnel
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01/07/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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jwp475
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01/07/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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rickt300
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01/04/23
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PJGunner
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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hanco
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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baldhunter
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Cascade
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01/05/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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lone wolf
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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gunswizard
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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roninflag
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Aagaardsporter
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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hunting1
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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colorado bob
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01/04/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Keith1
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01/05/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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DaveinWV
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01/05/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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T_O_M
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01/05/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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jwp475
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01/05/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Mule Deer
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01/05/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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DaveinWV
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01/05/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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AussieGunWriter
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01/05/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Dinny
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01/05/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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WyoCoyoteHunter
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01/05/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Pappy348
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01/05/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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centershot
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01/05/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Okanagan
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01/06/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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MuskegMan
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01/06/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Okanagan
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01/06/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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PintsofCraft
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01/06/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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shrapnel
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01/06/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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mark shubert
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01/06/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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KillerBee
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01/06/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Bighorn
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01/06/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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PintsofCraft
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01/08/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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Mule Deer
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01/08/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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jwp475
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01/08/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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PintsofCraft
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01/08/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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PintsofCraft
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01/08/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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carrollco
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01/08/23
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Re: 165 grain bullet, 30-06 ,imr 4350 thread
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czech1022
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01/08/23
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