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cheytac based wildcats

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Unread 05-12-2004, 09:34 PM
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Join Date: Jan 2004
Posts: 67
cheytac based wildcats

What kind of long range hunting wildcats have been made, or could be made using this case, as is or maybe even shortening it. How does this case compare to other big commercail cases like lazzeroni or RUM or 378 weatherby based stuff? Does anyone know where to find specs or case drawing of this case like what is in a reloading manual? Ive heard of some really high velocities with this case with maybe .338, but could it be used to get 4000 fps plus in even small bullets like 30 cal or 7mm, or would it be so overbore that it would be really inefficient and suck? Does anybody have any velocities, data, or accuracy info on cheytac based wildcats?

Just an interesting topic to me. Thanks for any info.
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Unread 05-12-2004, 10:55 PM
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Join Date: Feb 2003
Location: Pueblo, CO
Posts: 1,244
Re: cheytac based wildcats

Jon-- Bruce Artus of Pueblo West, CO is working with the 408-- necking it to various diameters. He just built one for a guy in .378 configuration, using a Granite Mtn. action. He's in the book.
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Unread 05-13-2004, 02:04 AM
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Join Date: Jun 2001
Location: Palmer, Alaska
Posts: 2,539
Re: cheytac based wildcats

I have a hunch that once you neck it down to about .338, the 50 BMG powders will be about right for that combo, I think they're a bit too slow for the 408 caliber from what I remember though.

The 408 was based on the 505 Gibbs case, so anything .510 on down should work just fine. I think it would be sweet to set one up for .510 and throat it for the 750gr AMAX.

I've heard the brass is very good, no problems with it, 408 bullets are a different story.

I've got the specs from a 408 CT case I measured if you want them.

The 338 Lapua case is the strongest of them all, thicker than the 408 in every way. In my opinion, they should have modeled the 408 case design after the 338 Lapua.
Brent Moffitt
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Unread 05-13-2004, 05:52 PM
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Join Date: Mar 2002
Location: mi
Posts: 991
Re: cheytac based wildcats

I would take a close look at a 338 with 300g SMK with the 408 case. I think a 300 rum case would be a little over bore for a 7mm 112g of H2O an imp 338/408 will hold 170g H2O and use in the neighborhood of 130+g of powder with 300g bullets
If you think something is not possible move out of the way so the ones that are doing it can
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Unread 05-13-2004, 07:02 PM
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Join Date: Jan 2002
Location: Richmond Va
Posts: 267
Re: cheytac based wildcats

EDM Arms is delivering a 338/505 Skeletonized rifle now.
Still playing King of the Hill
Beware the high ground
[Reaching for wallet] You wouldn't happen to be a betting man would you?
Impossible means not done YET!
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Unread 05-13-2004, 07:10 PM
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Join Date: Apr 2004
Location: North Idaho
Posts: 71
Re: cheytac based wildcats

Bumping the C-T up to .50 cal is the best idea that I've seen offered for the big case. That could be fun and worthwhile.
Somebody should run the numbers through the Quikload program.
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Unread 05-14-2004, 08:15 PM
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Join Date: Jan 2004
Posts: 67
Re: cheytac based wildcats

brent i would be interested in seeing those specs.
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