Primer flash hole - The HuntingPA.com Outdoor Community
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post #1 of 17 (permalink) Old 09-30-2010, 04:26 PM Thread Starter
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Primer flash hole

I was resizing some 6mm Rem brass, WW Super cases when I had one that suddenly became tight. I re-lubed the case and when I tried to size it again I bent the decapping shaft and broke the pin. I thought I had messed up so went and ordered a new set of RCBS dies. Thinking back I wondered if flash hole was too small so I tried to push pin on new die thru the flash hole. It would fit 9 cases out of 13. Anyone ever have this before? I am waiting for a return call from Winchester, going to send back the 4 cases.

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post #2 of 17 (permalink) Old 09-30-2010, 04:58 PM
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Re: Primer flash hole

Sound like you have some bad brass and the flash hole is too small or off center. Try a flash hole uniforming tool and see if that fixes your issues.
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post #3 of 17 (permalink) Old 09-30-2010, 05:37 PM Thread Starter
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Re: Primer flash hole

I talked to Win. customer service and am sending back the 4 cases. I just resized a box of Rem. with no problems.

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post #4 of 17 (permalink) Old 09-30-2010, 10:41 PM
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Re: Primer flash hole

I've had Remington brass with off-center holes and undersize ones like you experienced....all were 6 BRs and this was many years ago....Remington quickly replaced them...

I've had Bertram cases that came with no flash holes....or badly off-center holes....and not all in the same box...quit using them....darn shame because they make a lot of obsolete brass....had to go the route of forming my own....
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post #5 of 17 (permalink) Old 09-30-2010, 11:20 PM
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Re: Primer flash hole

I recently bought 100 new Winchester 308 cases and they were pretty bad.Some were already below the minimum trim length and some primers seated very tightly while some were a little on the loose side. I won't buy any again. I just bought 200 cases of Lapua, much better!
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post #6 of 17 (permalink) Old 10-01-2010, 09:01 AM
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Re: Primer flash hole

This should be of notice to newb reloaders. Don't take for granted that new brass is perfect. Inspect new brass just as if if were picked up off the range ground.

Fortunately, I have never had bad brass that was new.
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post #7 of 17 (permalink) Old 10-01-2010, 11:14 AM
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Re: Primer flash hole

RCBS dies are garranteed for life. No need to buy a new die. Call RCBS and they will send you the parts to fix.

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post #8 of 17 (permalink) Old 10-01-2010, 11:22 AM
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Re: Primer flash hole

You can also just order a replacement shaft and pin. I would also send the bill to Win.
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post #9 of 17 (permalink) Old 10-01-2010, 11:36 AM Thread Starter
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Re: Primer flash hole

The die I ruined was a Savage die. Never heard of them before and not sure they are still manufactured. I am a big fan of RCBS.

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post #10 of 17 (permalink) Old 10-01-2010, 02:32 PM
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Re: Primer flash hole

Quote:
Originally Posted by rflktrman
The die I ruined was a Savage die. Never heard of them before and not sure they are still manufactured. I am a big fan of RCBS.
Ye Gads, that die is probably almost as old as I am! IIRC they were made in the 50-60s time frame, but in any case when Savage was still in Chippewa Falls. They also made a press, the "Straight Eight".

Concerning flash holes and etc ....

You may also want to consider an inside deburring tool. They're used to remove any flash(burr from drilling) and cut a slight chamfer on the inside. The chamfer helps guide the decapping pin into the flash hole and lessen the chance of bending or breaking a decapping pin be it the flash hole or decapping rod being slightly off center.

RCBS, Lyman and I imagine a few other make them. I make them with a #1 and #2 center drills.

Some claim deburring/chamfering the inside aids consistent powder ignition, fact or fiction I don't know, but I deburr/chamfer them as part of my normal new brass prep routine. I figure although it may not help it certainly can't hurt.

Bill
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