Guys is there such a thing as a standard size base for the .223. I have an RCBS mold and the base is 0.216
I called Lyman today and theirs is 0.218 I am trying to find gas checks that fit and thus far have not succeeded. One gentleman here suggested chamfering the base but that does not work. Any ideas??
There is a sticky post in the gas check subforum with an index of sizes.
http://castboolits.gunloads.com/showthread.php?11997-Gas-Checks-vs-Shank-Size
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