X-10 Shell Plate #4 – .223 Remington/.300 AAC Blackout is a shell plate for the Frankford Arsenal X-10 Progressive Press. It is configured for .223 Remington/.300 AAC Blackout and uses an integrated bearing design to support smooth progressive-press indexing.
- Product type: X-10 progressive-press shell plate
- Shell plate number: #4
- Cartridge compatibility: .223 Remington/.300 AAC Blackout
- For the X-10 Progressive Press
- Shell plate #4 for .223 Remington/.300 AAC Blackout
- Integrated bearing design for smooth indexing
- Laser-marked identification and storage case