Those hammers make you look like a monkey trying to fix an automatic transmission with a plastic bat. Collet pullers are the only way to go. If I'm only adjusting powder charges I use mine to put the bullet right back into the case it just came out of. I use the RCBS model.
"Hired Gun" Quickest and fastest all motor sand car on the planet. 3.008 at 104.8 300' of sand.
NRA Patron Life Member, Gunsmith, Instructor, Chief RSO