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Hot Topic (More than 10 Replies) About enlarged flash holes? (Read 10990 times)
westerner
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Re: About enlarged flash holes?
Reply #15 - Feb 9th, 2012 at 11:02pm
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Pistol primers are to delicate for my old rifles. They tend to moosh into the firing pin holes and get cut off when I open the action. Gets all gunked up in the breech block and causes problems. 

Long time ago I did a bunch of experimenting with pistol primers and couldnt tell any difference in accuracy. 

They do not fit a rifle primer pocket correctly. To short.

          Joe.
  
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Cat_Whisperer
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Re: About enlarged flash holes?
Reply #16 - Feb 10th, 2012 at 6:44pm
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westerner wrote on Feb 9th, 2012 at 6:48pm:
If you're saying that enlarging flash holes ruins the brass for future use and if it did indeed ruin it, I could agree with you. Enlarging the flash hole does not ruin the brass. It makes the flash hole larger.  A very minor amount of brass is removed or displaced
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          Joe. 


IF the flash holes are enlarged a LOT, pressures go WAY UP and velocity is increased a little.  I'll post the data from Sharp's volume in a couple of days - on the road now - don't have access to it.

I have a bunch of .45acp cases that were grossly enlarged flash holes for primer powered plastic bullets.  Not safe around normal bullets.
  
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