RCBS Bullet Sizer Die .309 Dia is an RCBS Lube-A-Matic sizing die for cast bullets. Used with a compatible Lube-A-Matic sizer/lubricator, it sizes cast bullets to the specified diameter while allowing lubricant to be applied to the bullet grooves.
- Product type: Cast-bullet sizing die
- For compatible RCBS Lube-A-Matic systems
- Sizes and lubricates cast bullets
