This RCBS Die Bushing (brand part no. 81623) measures 0.308 in. in diameter, built for use in RCBS bushing-style neck sizing dies. Interchangeable bushings like this one let handloaders dial in a specific neck tension for standard .30-caliber case necks rather than relying on a single fixed expander size.

Key Specifications

• Bushing diameter is precisely 0.308 in., sized to deliver a specific neck tension.
• Built for use in RCBS bushing-style neck sizing dies.
• Ships at a light 0.015 lb, small enough to keep several diameters on hand at the bench.

Frequently Asked Questions

What die does this bushing fit? It’s built for RCBS bushing-style neck sizing dies that accept interchangeable bushings.

Is 0.308 in. a common bushing size? It’s suited to standard .30-caliber case necks, one of the most commonly reloaded diameters.

Buy the RCBS Die Bushing, 0.308 in.

Dial in exact neck tension on your .30-caliber brass with this RCBS bushing. Browse our full reloading equipment lineup, and our Lubbock, Texas gun shop ships fast.