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25-06AI from '06 Brass

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  #1  
Unread 06-17-2009, 02:56 PM
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25-06AI from '06 Brass

I have a 25-06AI on order and would prefer to use Lapua brass for obvious reasons. I have brushed upon forming brass and there seems to be some conflicting information concerning forming the 25-06 from 30-06 brass.

Some suggest running the 30-06 brass through a 270FL size die while others suggest only the 25-06. Some also suggest that even when properly formed the 30-06 parent brass neck will still be shorter than required.

Any tips or links to better my knowledge in this department would be appreciated.

Thanks,

Wade
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  •   #2  
    Unread 06-17-2009, 03:08 PM
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    Re: 25-06AI from '06 Brass

    I just did this for my 25.06 with lapua brass. I ran the 30.06 brass through a 25-06 form die, then sized them in a fl 25.06 die, and then loaded rounds to break in the barrel. It worked alright but not great.

    When chambering the loaded rounds they were very tight and it was more difficult to close the bolt than I liked. Where the shoulder and neck came together it was not smooth and I think this is what caused the tight chambering.

    Anyways, they shot fine for barrel break in and with going to AI the issue I had may not affect yours at all.
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      #3  
    Unread 06-17-2009, 03:14 PM
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    Re: 25-06AI from '06 Brass

    Wade,

    use the intermediate die, maybe even several. You'll likely wind up crushing some case necks/shoulders if you don't. I can certainly appreciate the desire to use Lapua brass, it is truly fine and wonderful stuff. But, as a general rule, you'll almost always have less trouble necking something up, rather than down. In other words, make your 7mm08 out of .243 Win, not .308 if at all possible. In the case of the 25-06, that really isn't an option, but necking things down invites some potential problems that I'd rather avoid.

    In the case of some wildcats, or some extreme financial duress (yes, I made a lot of .243 Win out of 7.62x51 when I was in the service!) I'd consider this task carefully before diving in too quickly. There's a lot of factory 25-06 brass out there already . . . Try a box of the Lapua, use intermediate dies (280, 270, 6.5-06 if you can) and see how it works out for you.

    Kevin Thomas
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      #4  
    Unread 06-17-2009, 06:56 PM
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    Re: 25-06AI from '06 Brass

    I appreciate the replies and understand people have the tightness problem with the necks from the 30-06 brass. I have the tools for turning necks so I can possibly eliminate that. I seen where some used 270 brass for forming into 25-06. While not Lapua, Norma 270 brass would be another quality brass solution. My problem would be solved if Nosler brass was more consistant.

    Thanks again, more research needed.
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      #5  
    Unread 06-17-2009, 08:33 PM
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    Re: 25-06AI from '06 Brass

    Oh yes. I forgot to mention that I did turn the necks before they were fired and once again after firing the first time. The brass did turn out well...
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      #6  
    Unread 06-18-2009, 10:12 AM
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    Re: 25-06AI from '06 Brass

    I do it all the time. Mainly due to the fact I have a ton of LC brass left over from when I had a M1 Garand and purchased a bunch of LC ammo to shoot in it. I got rid of the M1 but not the brass so I started using it up in my .25-06. A couple years ago I built a .25-06 AI tight neck and resized a bunch of this brass to shoot it with. I did loose about 15% of the cases when resizing them and used a .270 die to get part way there. The finished item though works great with no problems at all. Its just a lot of work is all. Also watch your donuts.
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      #7  
    Unread 07-05-2009, 12:01 AM
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    Re: 25-06AI from '06 Brass

    I am also looking into turning my 25-06 ruger #1 into a 25-06 AI. What I was leaning towards doing was buying a redding Comp Bushing Necksizing Die in 25-06 and using different sized bushings to size the necks down from the Lapua 30-06 brass. By doing so I think I will eliminate having to buy multiple dies of different calibers(280rem,270win,6.5-06). Just my 2 cents.

    Andrew
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