I learned to reload with a Lee Loader in '69. I have 4 Lee loaders now along with my 4 presses and assorted dies, powder measures, scales, etc. I personally think you would have to try pretty hard to set off a round when you're seating a bullet. I have a pet 30-30 single shot that I like to reload for using my Lee Loader, and I get good, accurate ammo. When I feel "retro" or don't want to set up a press for a small run of .44 Magnums or .38 Specials, I'll use a Lee Loader. To solve my "primer pops" when seating primers I often use an arbor bress, works great. Another hint, use a large/heavy hammer, like a deadblow hammer. Fewer primer pops and easier on the hands/ears...