- Joined
- Jan 9, 2022
- Messages
- 77
- Reaction score
- 119
Hey guys, need some help!!!! I am having a hell of a time getting my 45 caliber bullets to cut a smooth base. I end up with a divet that looks torn or a protruding Sprue and still looks torn. This is a Iron block Accurate mold. I am using 20-1 alloy from Buffalo Arms and running it at 800 degrees, I also pre heat my molds using Idaho Lewis's method with 2 MR Torch heads. Mold and sprue plate are definitely hot and they will dance about 45 seconds on my first fill out then they settle in. I fill 5 before I start closing the plate for keepers I get great fill out and crisp edges, but I just can't get this one to cut clean. I have tried waiting from 1 to 2 seconds to 30 seconds in 5 second increments after the sprue frosts over. I also leave a very large sprue pour on the plate when casting. I tried running the sprue plate loose and tight to the point I get small voids in the base from having it to tight. The bullets are dropping from the mold very consistent on weights as well. Less the 1 grain difference is normal. Been fighting this one for a few weeks now. I attached a few pictures for reference.