30br case fire forming 3 times with no sizing die?

J

jimsplce

Member
I will be getting one of Harrells sizing dies to match the chamber of my new 30BR barrel.

They request 3 cases that have been fired 3 times each in order to get the closest die that matches my chamber. That sounds easy enough until you think about it.

Maybe, I'm overthinking this, but my question is for those who have done it. The first cases to be fire formed are easy enough, since after expanding the neck and turning it to size, the neck size provides good tension.

What can I expect after that? Does the case still retain enough tension to hold the bullet for the firing of the next two times without resizing the neck?

For a novice it's like a catch 22. I don't have a sizing die yet to resize the neck.
I do have a 326 neck bushing. Can I just use it with an arbor press to create some tension and still be able to easily pull the bushing off by hand?

The barrel has a a 330 neck, and the 3 cases are turned for a just under a 328 case neck.
 
jimsplce said:
I will be getting one of Harrells sizing dies to match the chamber of my new 30BR barrel.

They request 3 cases that have been fired 3 times each in order to get the closest die that matches my chamber. That sounds easy enough until you think about it.

Maybe, I'm overthinking this, but my question is for those who have done it. The first cases to be fire formed are easy enough, since after expanding the neck and turning it to size, the neck size provides good tension.

What can I expect after that? Does the case still retain enough tension to hold the bullet for the firing of the next two times without resizing the neck?

For a novice it's like a catch 22. I don't have a sizing die yet to resize the neck.
I do have a 326 neck bushing. Can I just use it with an arbor press to create some tension and still be able to easily pull the bushing off by hand?

The barrel has a a 330 neck, and the 3 cases are turned for a just under a 328 case neck.
Click to expand...

You can over think anything but a simple way that will work is to simply lightly dent mouth of the three cases enough to hold a bullet, three times.
 
Years ago I was in a similar situation with a .262 chamber neck 6PPC.

I drilled a piece of aluminum with an 'F' drill bit (.257), lubed the necks, tapped them in to the base of the neck, tapped them back out with a decapping punch, reloaded them, fired them twice more and sent them to Harrel's.

A 'P' drill bit is .323. ;)

Good shootin'. -Al
 
This might be helpful starting at about 15mn I discuss this conundrum. I run into it a lot doing what I do. BTW when I say "knocking out the primer" I literally pop the primer with a punch. In my case I have a bunch of old Wilson dies so I have handsfull of depriming rods but in any case just pull the decapping pin from about any die and use it manually.

hope this works ;)


https://www.youtube.com/watch?v=FWEM0qYq9zs
 
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