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  #11  
Old 01-23-2019, 12:18 AM
Hal Hal is offline
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The Blackjack co. makes a 131 gr .257 bullet with a high b.c. for those that like longe range.

Hal
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  #12  
Old 01-23-2019, 02:03 AM
rider rider is offline
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My 25 caliber is an old one. It is a 25-20 single shot in a Remington number 3 Hepburn. Not a speedster but fun to shoot.
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  #13  
Old 01-23-2019, 02:06 AM
tstowater tstowater is offline
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I have a pair of 25-06 so I'm in for the adventure. Haven't broke down and included one of them in the prairie dog arsenal, but maybe sometime.
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  #14  
Old 01-23-2019, 02:38 AM
rick w. rick w. is offline
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I was trying to figure out the parent brass. Kinda looks like a 460 S&W in a way. Then I thought it reminded me of the 25 Souper like in a 88 or 99, but the 1/2 inch head was not right to the posting dwg.
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  #15  
Old 01-23-2019, 04:21 AM
Wolfram Malukker Wolfram Malukker is offline
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Quote:
Originally Posted by rick w. View Post
I was trying to figure out the parent brass. Kinda looks like a 460 S&W in a way. Then I thought it reminded me of the 25 Souper like in a 88 or 99, but the 1/2 inch head was not right to the posting dwg.
Parent brass is 7.5x55 Swiss.
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  #16  
Old 01-27-2019, 05:59 PM
256wm 256wm is offline
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I am a fan of the .257 diameter. I edition to a falling-block in 256 Win Mag, I also have a Contender carbine in 257 Raptor.
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  #17  
Old 01-31-2019, 04:54 PM
Johnly Johnly is offline
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There is some good history on the 25-284 that you might be able to leverage on your project.

John
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  #18  
Old 01-31-2019, 05:28 PM
df06 df06 is offline
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Default 25 cal

Bought my first centerfire rifle in 74, a Rem 700 ADL in 25-06. Killed maybe 10 deer with it and have loaned it to friends and they have killed half dozen deer and pronghorn.
I’ve not hunted with it in over 35 years. But I’ll never sell it.
Acquired a custom 257 weatherby from the estate of a hunting buddy, in 2002. That’s my go to 25 caliber since I acquired it.
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  #19  
Old 01-31-2019, 06:28 PM
jimreed1948 jimreed1948 is offline
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I use to have a custom made .257 air rifle made by Extreme Big Bore Air Rifles.

I was a little disappointed that about a 2 1/2" group at 100 yards was the best it could do. It really dropped off after a 100 yards for FPS & accuracy.
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  #20  
Old 01-31-2019, 08:05 PM
Wolfram Malukker Wolfram Malukker is offline
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Quote:
Originally Posted by Johnly View Post
There is some good history on the 25-284 that you might be able to leverage on your project.

John
That is the hope. The .25-.284 case is very similar-almost exactly the same as what I want-but it's 0.3" longer and has a sharper shoulder angle, and a rebated rim.

I personally feel a .25-284 chamber would perfectly accommodate a .25-7.5 Swiss case if the bolt face was opened up to .510", however it's too long to fit in most short action magazine boxes and IMO a bit of a powder hog for the velocities you get.

The end result of this project should net something along the lines of a "magnum" .25 Souper.
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