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Old 12-09-2012, 11:15 PM
oldandslow oldandslow is offline
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dmax, 12/10/12

I've run about 70,000 Winchester primers through my machines in the last six years and have never had any problems (small pistol, large pistol, large rifle and shotgun). The only exception is when I get a high primer which would occur if I failed to fully seat the primer or if I had a really dirty primer pocket. Since I've started using Stainless Steel media in a rotary tumbler (after depriming the cases) all my primer pockets are clean and I haven't had a high primer in 5,000 rounds.

I case-gauge each and every round after reloading and also check for high primers (I like to hold up the round in front of a white wall where it's easy to spot a high primer). Each primer should be a few thousandths below the edges of the primer pocket.

One way to confirm a high primer is to fire the suspected round again. Usually the first hammer/striker hit will fully seat the primer and the second time it is hit it will fire.

Good luck and Merry Christmas- oldandslow
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