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25-06 or ??

 
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  #1  
Old 04-27-2014, 04:21 PM
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25-06 or ??

I have a couple nice rifles offered to me one is a 25-06 sendero special and the other is a remington SS CDL in 257 weatherby..don't know much about these two cases ..any advise?
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Old 04-27-2014, 04:45 PM
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Re: 25-06 or ??

I have both a .25-06 AI, and a .257 Wby Mag.

I have always been a huge fan of the .257 Wby......However, after building my Sendero SF .25-06 Ackley Improved 40*, I have fell in love with this caliber. It is smoother shooting, less recoil, less muzzle blast, 10+grains LESS powder, and just as fast as the .257 Wby Mag.

I say go for the Sendero .25-06, and have your gunsmith open up the chamber to .25-06 AI 40*, and stock up on .270 brass.

I use .270 Win brass because during fire-forming, the neck shrinks right about .020" so I take the once-fired .270 Win brass, full-length size it without the expander ball in the die. Then run them through my .25-06 AI full-length die. Then I trim them down to 2.514", then chamfer and deburr the necks, then primer, powder, bullet....And you're ready to form some perfect 2.494" .25-06 AI cases.

Sounds like alot of work, but it's really not, and it worth it. However, you can always just shoot regular .25-06 brass through it, but it once it expands and the shoulder pushes forward, the neck will be about 0.020" short, which still falls within shootable specs.

Here's a picture showing a .25-06 AI brass I formed out of .270 Win brass...And a .270 round next to it.



Here's a .25-06 vs formed .25-06 AI. Notice the just slightly shorter height of the formed case.

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Old 04-27-2014, 06:50 PM
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Re: 25-06 or ??

why not just use 25-06 brass and shoot them to fireform them?
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Old 04-27-2014, 07:08 PM
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Re: 25-06 or ??

I love my 25-06 sendaro. It's a shooter.
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Old 04-27-2014, 07:27 PM
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Re: 25-06 or ??

Quote:
Originally Posted by chad View Post
why not just use 25-06 brass and shoot them to fireform them.
Did you even read my post? It explains everything...

Quote:
Originally Posted by MudRunner2005 View Post

I use .270 Win brass because during fire-forming, the neck shrinks right about .020" so I take the once-fired .270 Win brass, full-length size it without the expander ball in the die. Then run them through my .25-06 AI full-length die. Then I trim them down to 2.514", then chamfer and deburr the necks, then primer, powder, bullet....And you're ready to form some perfect 2.494" .25-06 AI cases.
__________________
"I'm just a peckerwood who lives in the hills with too many guns..." - Bob Lee Swagger

"Give me a minute...I'm good. Give me an hour...I'm great. Give me 6 months...And I'm unbeatable." - Col. Hannibal Smith

Ignore everything I say, because I have a reading comprehension and memory problem...

Quote:
Originally Posted by WildRose View Post
The 284 is to the STW what a tricycle is to a Ninja.
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  #6  
Old 04-27-2014, 07:37 PM
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Re: 25-06 or ??

I was just asking. I thought you could just use the 25-06 brass.
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  #7  
Old 04-27-2014, 07:38 PM
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Re: 25-06 or ??

Im still learning here.
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