I just finished modifying my Lyman 9mm 124 grain devastator HP mold.
I machined away the beveled base and made it into a gas check seat. Final weight is 136 grains with 50/50 Linotype/pure lead (bullet and GC), which gives a BHN of 15 with 92% lead, it's a pretty good HP alloy.
I machined away the beveled base and made it into a gas check seat. Final weight is 136 grains with 50/50 Linotype/pure lead (bullet and GC), which gives a BHN of 15 with 92% lead, it's a pretty good HP alloy.