RCBS AmmoMaster/ Piggyback Shell Plate #10

The RCBS AmmoMaster/Piggyback Shell Plate #10 is a precision shell holder designed to keep your cartridge cases properly positioned and aligned throughout the reloading process. If you're running an RCBS AmmoMaster or Piggyback press, this shell plate is essential hardware—it seats your case in the correct orientation relative to your dies, ensuring consistent bullet seating, powder charges, and primer installation with every single round.

Shell plates are one of those components that doesn't get much attention until you need to switch calibers or upgrade your press. The #10 plate specification means it's matched to a particular range of case head diameters and geometries. Proper case alignment isn't just about convenience; it directly affects the quality and safety of your finished ammunition. A misaligned case can result in uneven bullet seating or off-center primers, both of which compromise both accuracy and reliability.

Whether you're a precision rifle reloader pushing for sub-MOA groups or a high-volume pistol loader working through hundreds of rounds per session, having the correct shell plate for your press and cartridge is non-negotiable. RCBS has been the standard in reloading equipment for decades, and their shell plates reflect that reputation for precision and durability.

Key Features

• Designed for use with RCBS AmmoMaster and Piggyback reloading presses
• Ensures proper case alignment during the reloading cycle
• Precision-engineered to maintain consistent cartridge positioning

Specifications

Frequently Asked Questions

What presses is the RCBS #10 shell plate compatible with?

This shell plate is designed for RCBS AmmoMaster and Piggyback reloading presses.

Why does shell plate number matter for reloading?

Different shell plate numbers correspond to different case head sizes and geometries. Using the correct plate for your cartridge ensures your cases are seated and aligned properly in the press during every stroke, which is essential for consistent, safe ammunition.

Do I need to replace my shell plate when switching calibers?

If you're switching to a cartridge with a different case head size, you'll need the corresponding shell plate number for proper alignment. Check your press manual or contact RCBS to confirm which plate number matches your new caliber.