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New 30/375 wildcat

 
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  #36  
Old 11-17-2011, 09:27 PM
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Re: New 30/375 wildcat

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Originally Posted by midnightmalloy View Post
Rich here is the scoupe on what I was trying to convey in an earlier post.

Gunwerks is having brass made by hornady for there 7mm LRM. This will be out in febuary so no forming of brass to get it there.

The 7mm LRM has a longer neck than the 375 ruger or the 30/375 wildcats Ive read about. So i believe this is what you are looking for.

Once the brass is out in febuary you can just buy it from Gunwerks at roughly $1.25 a piece. Then all you would have to do is buy your custom reamer and ONE SET of custom dies. no forming dies!

1. Run the 7mm LRM brass over your expander ball to go up to 30 cal.
2. fireform in your custom 40*shouldered chamber
3. Reload and your done.

once the brass comes out in febuary this is like taking 270 win brass and forming it to a 280 AI chamber. THis would reduce the number of steps dramatically and significantly reduce your cost of this project. If you talk to aaron at gunwerks again ask about there headstamed brass and not the stuff they are forming from 375 basic brass.

I think this is a great sounding project. Its the same reason im going with the 7LRM for my current project. fits in a standard magnum action with no mods, can feed from any mag with the long vlds seated so they wont push into the case. send a 180 vld at 3150fps sounds good to me. what your talking about sounds like it would push them good. I would think 79gr of H1000 would fit easily in that case.
Yup, I understand what you're saying. I just have to find out what the LRM spec is before I start grinding reamers and dies. I have a call in to Gunwerks but they won't be in until next week........thanks/Rich
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  #37  
Old 11-17-2011, 09:34 PM
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Re: New 30/375 wildcat

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Originally Posted by gunman123 View Post
Here's a 30-375R project I've been working on. Berger 30cal 230 gr hybrid target range report. - Sniper's Hide Forums

Excellent cartridge but somewhat of a hassle forming.

Before I got the custom Hornady dies (gunsmith sent em formed brass) I used 338RCM and 300RCM dies to get the cases to fit in the chamber for fireforming.

Now that Norma has the 338N out you might consider exploring a 30 cal version???
Is this simply a necked down 375? What is your neck length......thanks/Rich
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  #38  
Old 11-17-2011, 10:20 PM
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Re: New 30/375 wildcat

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Originally Posted by James H View Post
.
One of my 30-375 reamers pushes the shoulder back over .130"


I have pushed the 225 Hornady BTHP up to 3050 in my 30 HSM Heavy Gun but accuracy is at 2950, don't recall if the barrel is 29 or 28".

James
That would make the neck .383" (.253"+.140"=.383") long unless it needs another zero in front of the one to make it .0130" . Would that neck be long enough elkaholic?

Hey, I thought we were building a hunting gun here! Not a bench gun with a long barrel! Mine will be a 24" barrel.
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  #39  
Old 11-17-2011, 10:31 PM
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Re: New 30/375 wildcat

I'm thinking the 300 Jazz would be a great idea. It's a 338 Norma necked down to 30cal.

Tank
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  #40  
Old 11-17-2011, 10:41 PM
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Re: New 30/375 wildcat

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Originally Posted by liltank View Post
I'm thinking the 300 Jazz would be a great idea. It's a 338 Norma necked down to 30cal.

Tank
I've been thinking the same thing!! Even a straight 300 Norma mag not improved would be hitting those numbers just right.
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  #41  
Old 11-17-2011, 10:47 PM
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Re: New 30/375 wildcat

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Originally Posted by liltank View Post
I'm thinking the 300 Jazz would be a great idea. It's a 338 Norma necked down to 30cal.

Tank
.590" case head, about 107 gr capacity only 3 gr behind the 300 RUM, but should fit in a long action
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  #42  
Old 11-17-2011, 10:48 PM
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Re: New 30/375 wildcat

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Originally Posted by woods View Post
That would make the neck .383" (.253"+.140"=.383") long unless it needs another zero in front of the one to make it .0130" . Would that neck be long enough elkaholic?

Hey, I thought we were building a hunting gun here! Not a bench gun with a long barrel! Mine will be a 24" barrel.
Yup, that would be long enough! Actually, I spoke with james the other night. He is a great guy to talk to and very helpful. Unfortunately, he and Joe Thielen, whom I spoke with today, (Hornady) have a little better shop than I have
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