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Apr 29th, 2024
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Joined: Jan 2002
Posts: 606
Sidelock
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OP
Sidelock
Joined: Jan 2002
Posts: 606 |
Does anyone have, or know of a source for, load data for the .375 Flanged Magnum, using powders available readily in North America, and giving pressures in other than tons per square inch? I can find nothing in Graeme Wright’s third edition.
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Joined: Apr 2011
Posts: 1,850
Sidelock
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Sidelock
Joined: Apr 2011
Posts: 1,850 |
Have you checked Cartridges of the World by Frank C. Barnes Ron? My 7th edition shows 80 grains of IMR 4350 with a 300 gr slug. Muzzle velocity 2500 fps.
Practice safe eating. Always use a condiment.
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Joined: Jan 2002
Posts: 996 Likes: 9
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 996 Likes: 9 |
Ron,
I'd give Butch Searcy a call out there in deepest Boron, CA. He makes the .375 flanged magnum and regulates it for, as I recall 2400 fps. He'll likely have a load or two and might even have pressures.
NOTE: I've got a number of rounds ready to check when Butch finally gets mine to the point that I can shoot it in the white. Have used IMR4350, but well under 80 grains for the 300 grain CEB flat nosed solid and for the 300 grain Swift A-frame.
Best of the Season,
Tim
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Joined: May 2010
Posts: 234
Sidelock
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Sidelock
Joined: May 2010
Posts: 234 |
Be very very careful when thinking about using any loads mentioned in Cartridges of the World, especially anything that isn't standard off the shelf stuff that can be readily cross-referenced with other load data (Nosler, Hornady, Speer, Lee, etc.). Many of the loads they show for obsolete cartridges are very hot especially for use in combination guns like double rifles. Butch Searcy is very knowledgeable and so is Dave Davison of CH4D. These guys and others like them have boat loads of knowledge in this area and others relating to firearms. Graeme Wright’s books are excellent and pretty much considered "bibles" of sorts when it comes to reloading for double rifles. Even if Graeme hasn't listed a recommended load in his book he does give one the principles behind load development so you can do it yourself but doing so requires a great deal of patience and attention to safety.
Regards,
Buchseman
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Joined: Apr 2004
Posts: 738
Sidelock
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Sidelock
Joined: Apr 2004
Posts: 738 |
Ron
Do you need dies or brass... I have some for sale. I bought a cape gun that had problems and seller took it back. I have been meaning to list the stuff for sale. PM if interested. I'll send $ to Dave if you buy the stuff. Some of the brass is new Knoch some once fired.
Jerry
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Joined: Jan 2002
Posts: 606
Sidelock
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OP
Sidelock
Joined: Jan 2002
Posts: 606 |
Jerry,
Info is not for me but for a friend. He's already bought a set of RCBS dies and was able to find a bunch of Jamison brass.
Last edited by Ron Vella; 01/11/12 09:19 AM.
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Joined: Apr 2002
Posts: 288 Likes: 10
Sidelock
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Sidelock
Joined: Apr 2002
Posts: 288 Likes: 10 |
HI Ron
Graeme Wright's book, 3rd edition, does indeed have reloading info for the 375 flanged---see pages 110 and 111---most of the powders he quotes are available in the US and Canada. I have used his recipes, albeit carefully. The trick as you know is to get a load that regulates for your rifle. If I can be of more assistance, send me a PM.
Regards
Bill
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