New Wildcat Round Problem

M

MGP

Guest
Ok i just chambered my barrel this is for a AR15 platform useing a 30 remington case shortened and necked up the 35cal. The problem is i can not resize the fire formed case it will get stuck in the die but measuring the fired case it is a couple of thousands under the reamer specs.So my question is could Hornady who i had make the dies from the reamer specs messed up and if so how could i confirm this? Thanks Mike
 
Dave Tooley said:
The best way to resolve this is send the die and some brass back to Hornady.

Dave
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I am haveing Fred from Bullberry Barrels make me a barrel for my contender in this round. Would it still be better to send the die back to hornady or have Fred fix it with my reamer when he chambers my barrel? Thanks Mike
 
Cerrosafe or I.D. mic. the die and compare it to the fireformed brass, any excessive dimension over .005" dia. could be the problem, any diameter difference at the base can be a problem.

What kind of size lube are you using?.................Don
 
Don said:
Cerrosafe or I.D. mic. the die and compare it to the fireformed brass, any excessive dimension over .005" dia. could be the problem, any diameter difference at the base can be a problem.

What kind of size lube are you using?.................Don
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HORNADY One Shot Lube
 
I'll bet that you had the reamer ground too small so that the chamber is too small. Generally if you sizing die is hanging up it does so right at the web-to-casebody junction. The answer is to have your chamber cut at least .005-.007 larger than the unfired case and your sizer adjusted accordingly.

al
 
Ok heres somthing interesting i measured the inside of my die where the case starts to get hard going into the die about a 1/2" in it measured .002'' smaller than the fire case.So i checked my .223,.243..308 dies and all dies where .005" bigger than the fired case.So i think i found my problem ant thoughts? Thanks Mike
 
alinwa said:
I'll bet that you had the reamer ground too small so that the chamber is too small. Generally if you sizing die is hanging up it does so right at the web-to-casebody junction. The answer is to have your chamber cut at least .005-.007 larger than the unfired case and your sizer adjusted accordingly.

al
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As i just posted the die was made from the reamer specs and the reamer is correct Hornady made the die too small in dia.The case measures a couple thousands smaller than the reamer specs. I will call on Monday and i will send him the die and 5 fireformed case Mike
 
MGP said:
Ok heres somthing interesting i measured the inside of my die where the case starts to get hard going into the die about a 1/2" in it measured .002'' smaller than the fire case.So i checked my .223,.243..308 dies and all dies where .005" bigger than the fired case.So i think i found my problem ant thoughts? Thanks Mike
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Any resizing die that's bigger than the fired case can't very well SIZE said case can it? :)

Your chamber (and the die which is sized from the chamber/reamer dimensions) is too small.

You can't resize the head portion of the case.

al
 
alinwa said:
Any resizing die that's bigger than the fired case can't very well SIZE said case can it? :)

Your chamber (and the die which is sized from the chamber/reamer dimensions) is too small.

You can't resize the head portion of the case.

al
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I dont think you are understanding that the case is getting stuck right where the die measures .002 smaller than the fired case and that where it is getting stuck. So where are you coming up with the chamber is to small? Thanks Mike

ETA: If the chamber was any bigger the case would expand bigger and still not be able to be sized in this die.
 
MGP said:
I dont think you are understanding that the case is getting stuck right where the die measures .002 smaller than the fired case and that where it is getting stuck. So where are you coming up with the chamber is to small? Thanks Mike

ETA: If the chamber was any bigger the case would expand bigger and still not be able to be sized in this die.
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With proper lubricant the die won't get stuck, it will resize the case EXCEPT that it cannot resize the casehead because the brass casehead cannot be squished, it's too stout.

In other words, the resizing die's SUPPOSED to be .002 smaller than the fired case, that's how it sizes it back down.


BTW, you're exactly right...... this die, as it's sized, certainly will NOT work with an even fatter chamber. My post suggests that the chamber may be too small AND that you'll need another, appropriately sized, resizing die.

Another option (if I'm right in my assessment) is to polish out the chamber AND THE DIE so that your whole assembly gains a couple thou of fatness. The idea is to maintain the .002 of difference between the resizer and the chamber.

al
 
alinwa said:
With proper lubricant the die won't get stuck, it will resize the case EXCEPT that it cannot resize the casehead because the brass casehead cannot be squished, it's too stout.In other words, the resizing die's SUPPOSED to be .002 smaller than the fired case, that's how it sizes it back down.


BTW, you're exactly right...... this die, as it's sized, certainly will NOT work with an even fatter chamber. My post suggests that the chamber may be too small AND that you'll need another, appropriately sized, resizing die.

Another option (if I'm right in my assessment) is to polish out the chamber AND THE DIE so that your whole assembly gains a couple thou of fatness. The idea is to maintain the .002 of difference between the resizer and the chamber.

al
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I know that but i still can not see the die being that small in the begining as all my other dies are like i said .005" bigger in dia. in the begining of the die than a fired case.

Im going to send the die back to Hornady with fire formed case and let them fix it. Ill let you know how i make out. Thanks Mike

ETA:If i did not make it clear thats where the die is too small at the case head and thats why the case is getting stuck.
 
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