Hello everyone I’m new to the group and hate to ask a question that’s been asked 100 times but I’m new and not really tech savvy. I just bought an unfired Winchester super express in 458 Winchester magnum made in 1981. I ordered some cutting edge 450 grain flat nose bullets and im searching for load data. What I have shows 3.310” as suggested oal and I have H322, 3031, 4064, 748, and other suggested powders. Any help appreciated. I’m going to shoot some hornady 3-350 for plinking and have data for those bullets.
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Cutting edge 458 win mag data
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Brandon.Gleason
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CEB will send you load data if you email them with the request. They've provided me with probably 10 cartridges worth of data and usually within a day or two of emailing them. info@cuttingedgebullets.com
AZDAVE
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you might also reach out to @michael458, he has done some serious testing of CEB's in the 458.
He has already reached out and gave me a lot of data to work with. Thank you for the heads up Sir.
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I am going to run the CEB 420 Raptor on top followed by the 400 Safari Solid with 80 gr of AA2230 at 2400fps should put the hurt on.
Thanks mostly trying to find out what the best powder is, I normally load for totally different type of cartridges so I have h1000, N570, 4831. So I’m starting from zero with these lower pressure rounds.
Also why the 400 not the 450 in a 458wm
Also why the 400 not the 450 in a 458wm
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AA2230 is a very good powder for the 458 giving higher velocity especially when loading the cartridge longer than factory, also Benchmark is a very good powder. the reason I am not using the 450 is that in my CZ55 with a 19" barrel I get the same point of impact at 25 and 50 yards and the 400 will give outstanding penetration and higher velocity than the 450. also I have some long nose preproduction 400 CEB bullets to see how they work on Buff. what rifle are you using?
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