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Is IMR 4451 a good substitute for H-4350? /////////////////////////////////////////////////////////////////////////// "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery." Winston Churchill | ||
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Best I've found so far. | |||
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I tried it in 338 WM and it seemed to run a little slower than both H4350 and IMR 4350. (See Hodgdon Reloading Center for data with these powders) Rick Jensen tested velocity and temp sensitivity in the 284 Win and H4350 proved a bit more stable. http://bulletin.accurateshoote...t-h4350-vs-imr-4451/ PrecisionRifleBlog came up with similar results http://bulletin.accurateshoote...-vs-hodgdon-extreme/ | |||
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Here's a good Burn rate chart (not that burn rate tells the whole story). I've had some "interesting" results with IMR 4955 which is also an Enduron powder, that showed pressure sign well before maximum loads. So, as always, start low and work your way up. This chart update even has the new IMR 8133 Enduron Powder. https://www.hodgdon.com/wp-con.../burn-rate-color.pdf Regards, Dave NRA Endowment Life Member USAF Veteran | |||
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Didn't it get a recall along with another powder about the same time..Higher pressure that the first article brought to light in one of the mags praising it!!! I think that's the one..If so then H414 is proven the best of all. Ray Atkinson Atkinson Hunting Adventures 10 Ward Lane, Filer, Idaho, 83328 208-731-4120 rayatkinsonhunting@gmail.com | |||
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Ray, if you have a source for this, please share. You might be confusing the Enduron powders with a specific batch of Ramshot Hunter "RECALL NOTICE Powder Type: Ramshot Hunter Lot Number: 489 bottled on 08/05/16, may appear as 080516489 (lot number on back of bottle)" +-+-+-+-+-+-+ "A well-rounded hunting battery might include: 500 AccRel Nyati, 416 Rigby or 416 Ruger, 375Ruger or 338WM, 308 or 270, 243, 223" -- Conserving creation, hunting the harvest. | |||
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Also IMR4007SSC IMR4007SSC Recall Member: Orange Gunsite Family, NRA--Life, Varmint Hunters' Assn., ARTCA, and American Legion. "An armed society is a polite society" --Robert Heinlein via Col. Jeff Cooper, USMC Caveat Emptor: Don't trust *Cavery Grips* from Clayton, NC. He is a ripoff. | |||
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I will be working-up a load for a new 25-06 w/ IMR4451 over the next 2-days, so I hope it is good. Member: Orange Gunsite Family, NRA--Life, Varmint Hunters' Assn., ARTCA, and American Legion. "An armed society is a polite society" --Robert Heinlein via Col. Jeff Cooper, USMC Caveat Emptor: Don't trust *Cavery Grips* from Clayton, NC. He is a ripoff. | |||
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I like it, easy to use. You will want to run it at the upper end of the load range to keep it the cleanest. You will have no copper, but it is dirty. | |||
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So far, I have put 15-rounds of Varget and 15- of 4451 thru my Cooper, in that order. There was some telltale copper that came out of the bore afterwards. As for accuracy, I am fire forming 25-06AI, so the accuracy is not that great. Groups from both powders are around 1". I will be taking it to the range next week to shoot both loads thru my chrony. Member: Orange Gunsite Family, NRA--Life, Varmint Hunters' Assn., ARTCA, and American Legion. "An armed society is a polite society" --Robert Heinlein via Col. Jeff Cooper, USMC Caveat Emptor: Don't trust *Cavery Grips* from Clayton, NC. He is a ripoff. | |||
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