Dillon Precision caliber conversion kits allow you to adapt your machine from one caliber to another in minutes.  They are a great way to maximize machine use when reloading multiple calibers.   Caliber conversion kits vary by machine type, and include various parts for each machine to quickly change calibers.

Includes:

• Shellplate
• Locator Button
• Locator Button Tabs
• Powder Activator/Funnel
• Swage Backup/Expander
• Casefeed Adapter
• Casefeed Plunger

Dillon Part #: 21057

For a complete breakdown of the individual parts in each caliber conversion kit please refer to this CALIBER CONVERSION CHART via the Dillon Precision US website.

NOTE: As of 03/16/2021, the shellplate thickness was increased to .250″, and the shellplate lock ring thickness was reduced from .410″ to .375″. If you have a thicker shellplate lock ring, you will need to order a new #20311 shellplate lock ring assembly.