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#1
03-19-2015, 04:58 AM
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Flash hole question
Guys,
I have some Hornady 22 hornet brass that I was sizing and depriming tonight and when I got on to a different lot # I was having to force the decapping pin through the flash hole which left a little ridge around the flash hole. Question is would you trash all of the brass in the lot or punch through it and uniform the primer pocket after? Thanks Joe 
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#2
03-19-2015, 09:57 AM
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Joe
I would just process the lot and let the decap pin swage the flash holes to a uniform size, then uniform if needed... but certainly chamfer the burrs on both side of the flash hole. Sellier and Bellot Hornet brass has the smallest flash holes of any brass I tested, a Hornady decap pin would not pass through at all... meaning they had to all be drilled out a little or the decap pin needed diameter relief 
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#4
03-19-2015, 12:59 PM
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The Lyman flash hole tool will open up and deburr any of the standard flash holes in brass, including Hornady, S&B and PPY. I would not use it for PPC based brass, which are designed to have a smaller flash hole/decapping pin.
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#6
03-19-2015, 03:46 PM
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You can buy numbered drills, #45,#46,#47,#48, sized drills and then find the largest flash hole size in the cases,
and then open up the rest to that uniformed size. DO NOT enlarge any bigger then required, then use the inside flash hole uniforming tool to remove any burrs. Tia, Don
__________________
"ANY person that fears me owning a firearm, then I have reason to not trust that PERSON" ------------------------------------ "We must reject the idea that every time a law's broken, society is guilty rather than the lawbreaker. It is time to restore the American precept that each individual is accountable for their actions." Ronald Reagan
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#7
03-19-2015, 03:50 PM
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Hornet brass seems to have two different size flash holes depending on when and where it was made. Just use the proper size decapping tool. Larry
__________________
A gun is just like a parachute, if you really need one, nothing else will do.
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#8
03-19-2015, 04:13 PM
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Ditto, quality stuff
Quote:
__________________
"Don't ever shoot your favorite hunting load over a chronograph, you'll be disappointed."
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#9
03-20-2015, 12:29 AM
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Be careful with your flash hole --- never stick anything in your flash hole !
__________________
"Genius may have it's limitations but stupidity is not thusly handicapped."
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