I have blended feelings about the Lee die set. The Preliminary Expense helps make them search inexpensive BUT in the end, immediately after having to buy a individual expander die (IMHO, you need an expander die because it makes inserting the bullet into the situation a no brainer) and crimp https://brass300blackout39246.blogsvila.com/39127951/the-5-second-trick-for-300-blackout-cases