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Long Range Hunting & Shooting
300 winchester mag loads
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<blockquote data-quote="johnnyk" data-source="post: 1225191" data-attributes="member: 307"><p>That should read 77gn vice 74. Misread my reloading journal. 74gn was where I stopped w/IMR-7828 on the same day. I averaged 3000 w/Imr-7828 but ES & SD were higher than I like (51 & 25.97, respectively).</p><p> Yes, you can get that much in the case, but your chamber/barrel may not be able to handle it. Be careful, proceed with caution, looking for pressure signs. This feels like a somewhat mild load in my .300WinMag, but I have a muzzle brake and the rifle weighs 13lbs.</p><p> When I first read the thread that Feenix quoted I thought, hmm, I bet it would be better with a CCI 250. I asked the young man about the usage of standard primers. Yup, that's what he used. Still, I had to use the mag primers. I mean heck, everybody knows w/that much powder you just got to use one, right? So I tried it, several of them in fact. Then I tried several Federal magnum primers then the Remington 9.5M's. None of them shot worthy enough groups to pass muster! But when I lit that RL26 off with that BR2, I knew I had something then.</p><p> Great load. I will use it for deer this year. I'm going to try the 212gn ELD-X soon as weather/humidity permits. I think this combo may hold its own against the AccuBonds and the Bergers. Good and safe shooting. JohnnyK.</p></blockquote><p></p>
[QUOTE="johnnyk, post: 1225191, member: 307"] That should read 77gn vice 74. Misread my reloading journal. 74gn was where I stopped w/IMR-7828 on the same day. I averaged 3000 w/Imr-7828 but ES & SD were higher than I like (51 & 25.97, respectively). Yes, you can get that much in the case, but your chamber/barrel may not be able to handle it. Be careful, proceed with caution, looking for pressure signs. This feels like a somewhat mild load in my .300WinMag, but I have a muzzle brake and the rifle weighs 13lbs. When I first read the thread that Feenix quoted I thought, hmm, I bet it would be better with a CCI 250. I asked the young man about the usage of standard primers. Yup, that's what he used. Still, I had to use the mag primers. I mean heck, everybody knows w/that much powder you just got to use one, right? So I tried it, several of them in fact. Then I tried several Federal magnum primers then the Remington 9.5M's. None of them shot worthy enough groups to pass muster! But when I lit that RL26 off with that BR2, I knew I had something then. Great load. I will use it for deer this year. I'm going to try the 212gn ELD-X soon as weather/humidity permits. I think this combo may hold its own against the AccuBonds and the Bergers. Good and safe shooting. JohnnyK. [/QUOTE]
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300 winchester mag loads
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