I think this may be a common problem with Lyman. I have several Lyman moulds. The one that gives me the most trouble is a two cavity 429421. One cavity is awesome. It drops .432" bullets. The other one drops .427-.428" bullets. I'm planning to lap my mould until the small cavity matches the large one.
Jan. 4, 2007 gasoline $2.10 gal....HMMM?