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Rum resizing

 
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  #1  
Old 09-06-2010, 10:36 PM
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Join Date: May 2010
Location: New Zealand
Posts: 198
Rum resizing

Just resizing some 300rum brass and I stopped to check it out and it looked odd instead of a hard tapered shoulder it looks to be rounded slight and the case previous to that I pulled the shoulder apart they are a little stiff in the press.

What the jells goin on!?

Thanks

Lucas
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what ya gonna shoot with that. ya know those deer that are just outta range for you. yeah. well there not 4 me!
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  #2  
Old 09-06-2010, 10:58 PM
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Re: Rum resizing

Are you getting enough sizing lube in side the neck? if not it can have a tendency to try to pull the neck out.
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  #3  
Old 09-06-2010, 11:07 PM
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Join Date: Dec 2009
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Re: Rum resizing

My 300 RUM brass looks the same way as u are describing. I thought it may be pressure probs????
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  #4  
Old 09-06-2010, 11:08 PM
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Re: Rum resizing

could be i was always told not to lube the neck nt sure y tho

off the top of my head its occuring after resizing

thanks

lucas
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what ya gonna shoot with that. ya know those deer that are just outta range for you. yeah. well there not 4 me!
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  #5  
Old 09-06-2010, 11:19 PM
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Re: Rum resizing

you do need some lube inside the case mouth so it will slide back over the expanding ball smoothly after being pushed up into the die. Try this, pull your expanding ball out of your die and run a lubed case into the die, bet it pulls out way easier without the expander ball in there. Lube the inside of your neck.
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  #6  
Old 09-06-2010, 11:44 PM
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Re: Rum resizing

hanks

mite clean it while im there 2
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what ya gonna shoot with that. ya know those deer that are just outta range for you. yeah. well there not 4 me!
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  #7  
Old 09-07-2010, 03:24 AM
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Join Date: Mar 2009
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Re: Rum resizing

My rums are really hard to resize also, not sure how often youre doing it but i went about 4 firings on the cases before i fl sized and they were really stiff. I annealed the necks and they went through smooth as silk... Wether i have a sloppy remington chamber or i sized to much but i had one almost separate after the first time i resized so i only size just enough to chamber now.... on a side note i managed to get one stuck the other night and the rim came off , i hadnt annealed the neck on this batch yet, 20mins on the lathe and i knocked up a case removing tool problem solved.. woohoo i knew the lathe would come in handy.
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