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Subject Topic: 7-30 waters brass from 30/30 Win? Post ReplyPost New Topic
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50DEP
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Posted: January 12 2011 at 6:31am | IP Logged Quote 50DEP

Whats involved with makeing some new 7-30 Waters brass from 30-30 win brass other than running it through my 7-30 dies?

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Rocky Raab
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Posted: January 12 2011 at 6:33am | IP Logged Quote Rocky Raab

That's all you do. You'll have a sized round with two shoulders. Load and fire to make fully formed 7-30 cases.

It's the easiest case-forming job possible.

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50DEP
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Posted: January 12 2011 at 6:41am | IP Logged Quote 50DEP

Ok Rocky! Haveing trouble finding new Federal brass for my 7-30's and have a boat load of 30-30 laying around. I wasnt sure if I needed to trim inside the neck or not.

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Rocky Raab
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Posted: January 12 2011 at 10:33am | IP Logged Quote Rocky Raab

If anything, getting a bit thicker by necking down is a good thing. Most 30-30 brass is really thin in the neck.

BTW, you don't even have to back off your usual load when you fireform.

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Pete D.
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Posted: January 18 2011 at 3:41am | IP Logged Quote Pete D.

If using brass that has been fired, as opposed to new, do you need to anneal the neck?
Pete

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Rocky Raab
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Posted: January 18 2011 at 7:43pm | IP Logged Quote Rocky Raab

I never did and had zero problems.

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Buffalogun
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Posted: January 19 2011 at 6:02pm | IP Logged Quote Buffalogun

Pete,

Like Rocky, I think the 7-30 Waters is the "bees knees". I have it in both a Super 14" Contender barrel with the "muzzle tamer" and also in a 23" Contender carbine bull-barrel.

As far as using previously fired brass goes, when I first started loading for the pistol barrel I used previously fired 30-30 brass that I had fire-formed for the 7-30.

The 30-30 brass came from my M94 Winchester carbine and shortly produced a case-head separation in the 7-30 Contender. Since then, I have used only new 30-30 brass for forming into 7-30 cases and haven't had anymore problems.



Mike




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davemuzz
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Posted: January 20 2011 at 4:14am | IP Logged Quote davemuzz

Buffalogun wrote:

The 30-30 brass came from my M94 Winchester carbine and shortly produced a case-head separation in the 7-30 Contender. Since then, I have used only new 30-30 brass for forming into 7-30 cases and haven't had anymore problems.



I'll second the case head separation problem when using "used" 30-30 brass. I don't own a 30-30, but a few of my gun club buddies just gave me about 50 pieces of their used 30-30 brass when I first bought my 7-30 14" Waters Contender barrel.

After a few rounds case head separation became common. So, like Mike said...I bought new 30-30 brass, fireformed it and the case head problem went away.

BTW....H-414 max load using either the Hornady bullet or the Nosler bullet of 120gr. will put it in the bullseye at 100 yard on every shot!!!

I prefer the Hornady's .....just 'cause they are cheaper!!!

Dave

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Rocky Raab
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Posted: January 21 2011 at 7:50am | IP Logged Quote Rocky Raab

The trick to avoiding separations is to force the gun to headspace on the shoulder - especially for that first fire-forming shot. Size only enough of the neck to get a slight "crush" fit when you chamber the round. That keeps the case body from flowing forward upon firing. It's that jump forward that stretches the brass and leads to separation. You want to brass to expand outward, not forward.

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50DEP
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Posted: January 21 2011 at 2:53pm | IP Logged Quote 50DEP

After running the cases through the 7-30 dies, they were to long and needed trimming. this is once fired 30-30 brass from a Winchester 94.
Im putting the 7-30 waters ammo in a Contender pistol and a Winchester 94 XTR.

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