Sorry about bringing up a old thread. I was looking for loading data on the Lyman sabot slug and I just has to throw in my two cents.
Hogtamer is right, I bought a older Lyman press for $5 at a swap.
Bikerbeans, I load 12 gauge 7/8 ounce load for trap and 3/4 ounce in 20 gauge. The lighter shot loads break clay's just as well as full trap loads.