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Old October 10, 2013, 06:12 PM   #1
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First mistake for Nooby

I loaded #400 CCI small rifle primers in 25 9mm cases by mistake. I've read some guys use them on purpose. Should I loadem up on the low side or fire the primers and start over?

I'll be loading 124gr Berry's with a starting load of Bluedot.

Last edited by Fox84; October 10, 2013 at 06:17 PM.
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Old October 10, 2013, 06:19 PM   #2
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I've done that - with the same primer. Some one will probably chime in with a very good reason NOT to do what I did, but I GENTLY ran them back through the sizing die, wearing safety equipment, and used the rifle primers over again. On the other hand, CCI 400 is the same as the small pistol magnum primers, so you could load a starting load of, say, Unique with a light bullet. I did that once, too. I had no problem, but I don't know what you're shooting.
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Old October 10, 2013, 06:21 PM   #3
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You can decap them if you go easy and slow. Ya, as noted wear safety equipment. I too have done that. None went bam.
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Old October 10, 2013, 07:04 PM   #4
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SR primers are generally hotter, longer and higher temperature flames, than SP primers. It can be equivalent to as much as 5% increase in powder charge, based on my own observations. It may be ok to shoot your load if you are more than 5% away from maximum. Only you can make the call.

The other potential problem would be misfire. SR primers have thicker cups. If your pistol has borderline firing pin strike, you may have misfires.

Certainly you can pull all the rounds and decap. But it is such a chore. Decapping live primers can be done. Going slow is the key. In order to set off primer compound, you need both energy and speed. If you are still worry about it (who doesn't), you may consider the following

1. Pull the bullet and dump the powder for reuse.
2. Put one drop of gun oil into the flash hole and wait a few minutes. The oil will deactivate the primer compound.
3. Decap as usual.
4. Clean the brass of the oil by tumbling or rinsing with alcohol.

Hope this helps.
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Old October 10, 2013, 07:21 PM   #5
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I don't have to pull the bullets. The drop of oil sounds like a great idea. These will be my first reloads in 30 years, so I would rather be safe than sorry.
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Old October 10, 2013, 07:28 PM   #6
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Wrong- oil does NOT deactivate the primer - and why would you want to? Just deprime them and put in the right ones and save the rifle primers for reloading rifles. - this isn't rocket science and you are not a bomb disposal guy, no issues.
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Old October 10, 2013, 07:44 PM   #7
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I would just de-prime them, save the primers for target ammo, and keep going.
I use a 30-06 resizing die (fixed primer punch pin) to push them out of my 9mms. I have a universal de-priming die but it has a spring loaded punch pin and I don't like that idea at all.

I've pushed out quit a few live primers. I use them over.
Just push them slow and easy and you won't have any issues.
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Old October 10, 2013, 08:08 PM   #8
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A guy at my club did the same thing and a lot of them didn't fire.

As far as decapping them, it's easy and not dangerous for two reasons:
1) it will be up inside your die if it did go off
2) it takes more speed then you can get pulling on the handle to generate a hard enough hit. I tried to make one go off and couldn't. They are not miniature nuclear bombs.
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Old October 10, 2013, 08:13 PM   #9
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No need to waste the primers by de-activating therm, just de-cap them as usual,I have done this many times, they are not that easy to set off.
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Old October 10, 2013, 08:42 PM   #10
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to ease your mind,throw the 25 cases in the river or bury them. case closed. eastbank.
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Old October 10, 2013, 11:51 PM   #11
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There's an old saying: If you don't feel safe doing it, don't do it.
Another old saying: Thinking it should be ok is not the same as knowing it is ok.
Another old saying: How cheap is safe and how expensive is unsafe?
Reloaders strive to be safe. You have to pick an chose if what you see or hear is safe or not.
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Old October 11, 2013, 12:14 AM   #12
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You're talking about a dollar's worth of primers. If the thought of decapping them live bothers you, just load them one at a time in your 9mm and pop 'em off. Wear hearing protection as they are louder that you might expect.
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Old October 11, 2013, 01:12 AM   #13
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Wouldn't tell you to but if they were mine I'd prob load them and shoot em. They'll be fine but 25 primers are nothing just deprime and reprime. Maybe 2 minutes. Simple fix. Good learning experience.
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Old October 11, 2013, 02:55 AM   #14
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I would use them with your starting load.
From a CCI primer energy chart from the '80s:
#500 SP = 5.5 foot pounds.
#550 SPM = 8.8
#400 SR = 6.0
#450 SRM = 7.2
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Old October 11, 2013, 05:01 AM   #15
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I say use a starting load and shoot em up also. They will be fine.
Gun control means: Being able to hit what you are shooting at.
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Old October 11, 2013, 05:46 AM   #16
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I'll probably just load them and let my boss shoot them in his Glock 19
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Old October 11, 2013, 06:21 AM   #17
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Another vote for de-priming. Slow and steady does the job.
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Old October 11, 2013, 08:12 AM   #18
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I would just add hearing protection to the eye protection and press the primers out. Never had a problem before. Never had a problem reusing the removed primers. If you are nervous that a primer might pop, then wrap a heavy towel around the press.
A lack of planning on your part does not necessarily constitute an emergency on my part.
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Old October 11, 2013, 08:17 AM   #19
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Just load them to minimum and shoot them as target ammo. Worst case scenario is they don't fire which is unlikely.
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Old October 11, 2013, 08:35 AM   #20
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I pressed them out. Very easily done. Thanks for everybody's support.
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