Thanks for the many responses. I'll try to address as many as I can here. The hammer is to be an inverted cylinder type,80lb.....I'm trying to reach for but probably won't reach a 10:1 tup to anvil ratio, which I believe can be fudged on, and we don't need to kick that one around again please........As far as lead shrinkage, has anyone ever poured lead into a cylinder (no draft) and tried to get it out, you can't. The shrinkage occurs mainly at the top.......I wish I could find .30 to.40 cent a lb big barstock here, I've looked hard but come up empty........I'm going to a tire shop (tire weights)that I can get cheap......As far as dealing with molten lead, take the necessary precautions and bida bing. I've been screwing with lead for 30 yrs and am only mildly demented!.....Rebound? that is a good one, I do plan to add steel to the mix and there is allot of steel in the tube, base, end cap,dies. would that be totally nixed as far as rebound? Hot steel doesn't have any rebound near as I can tell. I NEVER have but have seen others miss a blow and have the hammer fly into their face, some anvils don't have that much pop, are they worthless?.....Is forging iron on a steel anvil with a pb filled hammer the same as forging iron with a steel hammer on a pb filled anvil? I still haven't decided, but it will require an anvil, maybe tungsten!....................Happy holidays.......Bruce Macmillan