RCBS 257 Wby Mag Matchmaster Competition Seating Die

The RCBS Matchmaster Competition Seating Die in 257 Wby Mag is precision-engineered for competitive shooters and precision handloaders. Sold as a stand-alone bullet seating die, it uses a free-floating, self-centering seating stem and an internal sleeve that aligns the bullet with the case for concentric seating. A bullet loading window with retention system lets you drop the bullet in and run the press, while the large oversized micrometer knob dials one thousandth of an inch at a time. Made from case hardened steel, precision-drilled, reamed, hand polished and deep blued, with standard 7/8"-14 threads.