If You aren't working with Lee priming applications as well as applications you are working with are OK with Federal primers, you need to be good to go. (Incidentally, Lee only suggests CCI or Winchester primers, or they did when I purchased my Lee devices A number of years back! https://federalammunitionprimers42839.blogsidea.com/38158326/rumored-buzz-on-federal-primers-gm210m