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Old October 10, 2013, 07:04 PM   #4
tangolima
Senior Member
 
Join Date: September 28, 2013
Posts: 3,827
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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