Quote:
Originally Posted by Herb686
I shoot 686 revolver needing soft primers and have been using Federal standard small primers. I have an opportunity to pick up 5000 Federal small Magnum primers. Is the magnum hardness the same as the standard primer???
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As far as I can tell- Yes. I use Fed SP and Fed Magnum SP in loads for my M19 with lightened mainspring. Both work fine. Don't forget to reduce your loads when substituting Mag primers for regular SP. Most folks say 10% reduction.