The RCBS Expander/Decapping Assembly .30 Cal provides an expander rod, ball and decapping pin designed for use with sizing dies. This unit is intended to de-prime cases and expand the neck on bottleneck cartridges when used as part of a reloading setup. Components include an ultra-hard carbide expander button and an adjustable positioning sleeve as described in manufacturer notes.
Key Specifications
- The compatible size is .30/7.62mm.
- The listed caliber/gauge is 7.62mm.
- The product type is identified as a Decapping Pin.
- The material is specified as Metal.
- The finish is specified as Gray.
- The package quantity is 1.
- The overall listed dimension is 0.30 X 2.55 X 5.00.
- The listed length value is 5.
- The listed width value is 2.5500.
- The listed height value is 0.3000.
This expander/decapping assembly is a purpose-built accessory for case preparation at the reloading bench. It pairs with RCBS sizing dies to de-prime cases and expand necks, using an ultra-hard carbide expander button and adjustable sleeve to support consistent neck sizing. Durable metal construction and a gray finish make it a straightforward, serviceable option for reloaders working with .30-caliber/7.62mm cases.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




