The RL550 Conversion Kit contain a shellplate (4 Hole), Powder Funnel and 3 x Locator pins for the appropriate calibre.

This conversion kit is for 300 WSM but will also fit the 300 Remington. For the WSM and Ultra Mag cartridges you need the Oversized (Magnum) Powder Die and sometimes the Belted Magnum Powder System

To do a full calibre conversion kit you will also need, Toolhead, Powder Die, Powder Measure and reloading dies for your cartridge. The RL550 takes standard 7/8" x 14TPI dies from most manufacturers.