The Lee Inline Bullet Sizer Magazine Filler Kit contains everything you need to use the Bullet sizer and punch with the Lee Inline Bullet Feed magazine. Now you can size bullets and simultaneously fill the Lee Gatling style magazine feeder. The system works so well, once your bullet is sized you will never touch it again. Simply transfer your filled magazine to your press and start loading. Kit includes small, medium and large magazines with matching drop tubes and supports. Breech Lock bullet sizer and special adapter. Works with .220 to .463 diameter bullets.