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Joined: May 2013
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New Member
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OP
New Member
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I am considering purchasing a rifle that has been re-chambered for 270/300 weatherby magnum. I see some brass sold by midwayusa and dies by redding ($175). What i cant find is any reloading data. Any ideas. I would think between 270 wby and 300 weatherby data but uncertain. Any suggestions
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Joined: Nov 2002
Posts: 1,328
Campfire Regular
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Campfire Regular
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Members won't reply in case something goes wrong. Probably have to work up your own loads. Ask WEATHERBY.
Jimbob
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Joined: Jul 2001
Posts: 60,161 Likes: 13
Campfire Kahuna
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Campfire Kahuna
Joined: Jul 2001
Posts: 60,161 Likes: 13 |
You could safely start with regular 270 Weatherby data and work up until muzzle velocities are about 100 fps over .270 Weatherby speeds. That's about all the gain you'll safely see.
“Montana seems to me to be what a small boy would think Texas is like from hearing Texans.” John Steinbeck
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Joined: Nov 2007
Posts: 8,458 Likes: 2
Campfire Outfitter
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Campfire Outfitter
Joined: Nov 2007
Posts: 8,458 Likes: 2 |
For some general ideas, I'd look at older reloading manuals which had data for the 6.5x.300 and 7x.300 ... Sierra might be an ideal place to start.
It might be worth talking to the guys at Sierra in case they have some unpublished data available. They have helped me in that way.
Remember, whatever you do, that a custom rifle is even more a law unto itself than a factory rifle .. go carefully.
Tom
Anyone who thinks there's two sides to everything hasn't met a M�bius strip.
Here be dragons ...
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Joined: Jan 2001
Posts: 5,828
Campfire Tracker
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Campfire Tracker
Joined: Jan 2001
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This is one of the reasons I avoid wildcat cartridges like the plague. Not only the lack of loading data- you are on your own and it can be time consuming. You have to form your own cases. Ok necking down a 300 Weatherby is not much of a trick but you still have to do it and then well fire form. All for a 100 fps, is not something I even have patience for this sort of rifle looniness like I did when I was oh so young. Then again if you can buy the rifle at a very very favorable price it might be worth playing with till you decide to rebarrel to 300 Weatherby or 7mm STW.
"Any idiot can face a crisis,it's the day-to-day living that wears you out."
Anton Chekhov
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Joined: Nov 2002
Posts: 1,328
Campfire Regular
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Campfire Regular
Joined: Nov 2002
Posts: 1,328 |
If you could be more specific about what are your guns specifications, such as what brand rifle,barrel length and what twist it has and what game you will be hunting you could probably get more specific data. There are some very good tough bullets on the market now that were not available when I got into loading. Good luck and be careful.
Last edited by sweetsues; 06/09/13.
Jimbob
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Joined: Nov 2002
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Campfire Regular
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Jimbob
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Joined: Nov 2002
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Campfire Regular
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Campfire Regular
Joined: Nov 2002
Posts: 1,328 |
If you haven;t bought it yet consider a factory chambered 270 WIN. Money ahead down the road. FWIW Burns way too much powder for what you get in speed.
Last edited by sweetsues; 06/09/13.
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