.17 core seating punch
Have just got my first bucket of .635 j4 jackets in .17 to make some 30g open tips, but all my seating punches are too small. As there is such a long wait for such things I thought I would try to turn one up myself or get a local toolmaker to make me one. I wondered what size punch any of you guys were using so I could use that measurement as a datum. I am using Corbin S press and dies.Many Thanks. Don
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