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Old May 10, 2013, 07:48 PM   #1
Colorado Redneck
Senior Member
 
Join Date: January 6, 2008
Location: Northeast Colorado
Posts: 1,993
What happens when a primer is pierced or blown out of the pocket?

I have several hundred CCI #550 small pistol magnum primers, and am considering working up a load using these in 204 Ruger. Reason---primers are darned scarce, so using these as backup would extend my supplies.

Having never experienced a primer fail (pierce or blow-out) it would be helpful for peace of mind to know what is the worst that can happen. Evidently some members are confident that CCI #550 are equivalent to CCI #400 (SRP). I worked up a load using #550 with the 222 Remington, and the primers looked fine, but 204 Ruger is a higher pressure round. The rifle is a Remington SPS Varmint.

If the bolt is likely to perforate my eye socket, then to heck with it. If there is some gas blow back around the bolt, then it may be worth the experiment.

Any thoughts?
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