RCBS Matchmaster Competition Neck Bushing Set .300 Rum

Available in both full-length size and neck-size sets as well as a stand-alone seater die you will enjoy years of use from the RCBS Matchmaster dies. Each die is made from case hardened steel the inside surfaces are precision-drilled and reamed to exacting standards and hand polished.

Matchmaster sizing dies use interchangeable neck bushings (sold separately). This changeable diameter neck bushing has been used by benchrest and long-range precision shooters for years. This allows you to change the self-centering changeable neck bushing to precisely set the amount of tension on the bullet. It also keeps the brass working to a minimum to extend the life of your cases.

The Matchmaster seater die is beautifully