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Message: <blockquote data-quote="Master Carper" data-source="post: 2854428" data-attributes="member: 15527">Looking at the photo of your badly cratered primer, you still have good radius around the edge, so it looks like you are safe as far as pressures are concerned...I would recommend one of two things. First, drop you load a little bit and switch to Winchester WLR primers. They have a harder primer cup and should not crater as bad...Second, if primers continue to crater, and look like the one you posted, have the bolt face bushed and a smaller diameter firing pin fit to it. Soomer or later, you are going to rupture a primer, and depending on the severity of it, it can be quite unpleasant to say the least...</blockquote>