Hornady Shellplates fit the Hornady Lock-N-Load Press and the older Hornady Projector Press. Shellplate numbers correspond with the shellholder number. These shellplates are designed to work with the EZ-Ject System. Fits: a 380 ACP a 17 Remington a 17-222 Remington Magnum a 17-223 Remington a 204 Ruger a 221 Remington Fireball a 222 Remington a 223 Remington a 222 Remington Magnum a 5.6x50mm Magnum a 6x45mm (6mm-223 Remington) a 6mm TCU a 6x47mm Remington a 6.5mm TCU a 7mm TCU a 7mm-223 Ingram a 7x47mm Helm