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Rifles, Reloading, Optics, Equipment
Reloading
300 win mag and superformance powder
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<blockquote data-quote="Kennibear" data-source="post: 911642" data-attributes="member: 51650"><p>Superformance was developed to add performance to 30/06 class cartridges. Most magnums do better with the slower grade canisters. If the expansion ratio is in the 30/06 range it works well. But for what you are doing I would try 7828 SSC. H1000 is another. Reloader 19-22-25 is possible. We use 7828 (75gr) behind 200gr SGK's. It generates 2950fps all day long. I just bought Retumbo to use with Berger 210's.</p><p></p><p>Superformance is also a name for a line of ammo. Not all the ammo uses Superformance powder. LeverRevolution is a name used in Hornady's ammo line. But the 45/70 cannot use a powder as slow as LeverRevolution so they use something else in the 45/70 LeverRevolutyion.</p><p></p><p>This is pure opinion here but we use 150's for short range medium game laser flat loads (-5" @ 405yds sighted @ 290yds) and 200gr+ for longer range/heavier game. I limit 180 308's to my one-size-fits-all 30/06 load. The 300 WinMag really shines at 200gr and above.</p><p></p><p>My $0.02.</p><p></p><p>KB</p></blockquote><p></p>
[QUOTE="Kennibear, post: 911642, member: 51650"] Superformance was developed to add performance to 30/06 class cartridges. Most magnums do better with the slower grade canisters. If the expansion ratio is in the 30/06 range it works well. But for what you are doing I would try 7828 SSC. H1000 is another. Reloader 19-22-25 is possible. We use 7828 (75gr) behind 200gr SGK's. It generates 2950fps all day long. I just bought Retumbo to use with Berger 210's. Superformance is also a name for a line of ammo. Not all the ammo uses Superformance powder. LeverRevolution is a name used in Hornady's ammo line. But the 45/70 cannot use a powder as slow as LeverRevolution so they use something else in the 45/70 LeverRevolutyion. This is pure opinion here but we use 150's for short range medium game laser flat loads (-5" @ 405yds sighted @ 290yds) and 200gr+ for longer range/heavier game. I limit 180 308's to my one-size-fits-all 30/06 load. The 300 WinMag really shines at 200gr and above. My $0.02. KB [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
300 win mag and superformance powder
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