The RCBS Lube-A-Matic Bullet Sizing Die in .452 is a dedicated reloading component intended to size and lubricate bullets for use with two-bullet lubricators. It is built to work with RCBS Lube-A-Matic two-bullet sizers and is also compatible with the Lyman 450/4500 lube sizer. The die features a hardened interior designed to support alignment of cylindrical bullets and can crimp gas checks on compatible styles. This tool is aimed at reloaders seeking consistent bullet sizing and easier application of harder lubricants.
Key Specifications
- The die is sized for a diameter of 0.452 inches.
- Designed for use with the RCBS Lube-A-Matic two-bullet sizer/lubricator.
- Also compatible with the Lyman 450/4500 lube sizer.
- The interior features a hardened finish for alignment of cylindrical bullets.
- The die can crimp gas checks on compatible bullet styles.
- The listed weight is 0.1875 as provided in the manufacturer attributes.
- The product is supplied as a single bullet sizing die.
Practical and purpose-built, this RCBS Lube-A-Matic .452 sizing die streamlines bullet lubrication and sizing for handloaders working with compatible two-bullet lubing systems. Its hardened interior and gas-check crimping capability make it a reliable choice for reloaders who prioritize consistent bullet geometry and efficient lubricant application.









