I started with Speer and Hornady, then added Lyman.
All three have very informative sections BEFORE the load data that give lots of good information about internal ballistics. If you think understanding the "why" matters, be sure to read those parts, too. (In fact, I read two manuals' information before I even opened my press.)
All three have very informative sections BEFORE the load data that give lots of good information about internal ballistics. If you think understanding the "why" matters, be sure to read those parts, too. (In fact, I read two manuals' information before I even opened my press.)