I guess I’ve been having some issues with most of my 9mms over the last year or so, but I recently picked up a S&W SD9 which is giving light primer strikes. I’ve replaced the striker spring and am still having trouble with it. I’ve only tested the new spring with some reloads of 115gr XTP and titegroup but the factory Winchester target loads behaved the same prior to the new spring. I did notice tonite some odd marks on the primers that fired interested in thoughts.
Top 2 went bang bottom 3 were light strikes
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