Light primer strikes? I had about 20 rounds out of 100 not go off n all had a light strike on them. Im using Precision Delta 165gr .40 bullet. 50 were using 5.8gr of Unique and 50 using 5.9gr of Unique. All with an OAL of between 1.115 to 1.120. I feed each one in manually n they shot Thanks Greg Wanna kill these ads? We can help!