Are you double checking your powder measure on a scale to be sure you are getting 4.2 grains?
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I am now. Powder drop was putting out 4.2. Them I get a random 3.9 a couple more 4.2s then I get a 4.6 just started weighing every one. Made up 500 no squibs. Varied between 4.2 -4.3. Thanks for the help. Next question when breaking apart about 1000 rounds of 9mm what parts can I reuse?
Make sure that no dust, dirt, or any foreign material gets mixed in your powder and you can reuse it. Remove decapping rod/pin from your sizing die and you wont even need to reseat primers. Place some sponge rubber in the nose of a kinetic puller so bullets don’t get badly damaged.
Big Eddy
Not big and tall but big and round