have 2 of those RAS 12 uppers that use proprietary, rebated rim 12 ga type shells. i cant get ahold of 18.5mm nose cones so i figured slugs would be the next logical choice...
russia has those cool "svarog" moulds i owuld like to try a few styles of....
i have a few molds i could cast some lyman #2 clone boolits out of for swapsies....
thanks!!
ps, heres a link to some info on the shell:
http://haveblue.org/?p=1936&cpage=1#comment-1331840