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Resized brass very hard to chamber

 
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  #1  
Old 03-23-2010, 09:51 PM
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Resized brass very hard to chamber

I sold my Winchester Coyote 22-250 years ago and recently picked up another Custom model 70 in 22-250. I ran some of my old brass through the full length sizer and tried to chamber them before reloading them. They would chamber but it took a lot of effort to close the bolt and there looks to be some obvious wear and rubbing just in front of the webbing of the brass. Brand new brass chambers much easier. The fired brass had been fired about 4-5 times and was used with a pretty hot load of H380 and 52 gr A-maxes. I had flat primers and decent cratering after a firing.

Anyone know what gives? All I can figure is that this custom gun has a smaller chamber than my die will allow for.

Thoughts on what to do?

Thanks.
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  #2  
Old 03-23-2010, 10:36 PM
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Re: Resized brass very hard to chamber

I noticed this trend once, when I made handloads for my friend using my once fired brass, the only difference I had chamber made by TC PH and his was by Tikka T3 Tactical, so when he tried to chamber them it took some force, after firing two rounds he gave up on my loads, but the brass fired through his chamber fire-formed it and it was fine. When I full sized his brass for my chamber I never had any issues... It looks like every manufacture got their specs differently, although within SAAMI
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Old 03-24-2010, 04:19 AM
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Re: Resized brass very hard to chamber

SAAMI is very sloppy. Whole lotta tolerances both directions there.
Just buy new brass and fire form to your chamber..

It seems crazy to me(probably just me), that you expect turning a fully formed cartridge(your coyote 22-250) into another(your model 70, 22-250) -just by running it through a SAAMI FL die.
I guess the reason it seems so is that MY luck would never allow me to just 'wing it' like this.
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Old 03-24-2010, 04:55 AM
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Re: Resized brass very hard to chamber

I would just buy 100pcs of new brass.
New rifle=new brass
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  #5  
Old 03-24-2010, 05:46 AM
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Re: Resized brass very hard to chamber

Thinking back, sorry I made a mistake in the post above, the brass which I used for my friend's Tikka was never fired, it was sorted batch which I annealed and turned. So it was virgin brass which wouldn't chamber after I sized it with FL RCBS, maybe some of the wax remained in the die, but I had never encountered such...
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Old 03-24-2010, 07:33 AM
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Re: Resized brass very hard to chamber

My biggest concern is this die's compatability with the new gun. Will it be able to size it down enough after a few firings?

Thanks.
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  #7  
Old 03-24-2010, 10:20 AM
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Re: Resized brass very hard to chamber

Quote:
Originally Posted by Jinx-) View Post
Thinking back, sorry I made a mistake in the post above, the brass which I used for my friend's Tikka was never fired, it was sorted batch which I annealed and turned. So it was virgin brass which wouldn't chamber after I sized it with FL RCBS, maybe some of the wax remained in the die, but I had never encountered such...
IF you bump the shoulder too much it can make a small invisible ring that sticks out and that will make it hard or impossible to chamber.

BH
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