RCBS Neck Sizing Die Bushing 358 Diameter Steel

Overview

The RCBS neck sizing die bushing, sized for .358 diameter, is precision-engineered for use with RCBS Gold Medal Match series dies, including both full-length and neck sizing styles. It is crafted from polished steel and is designed to provide the optimal neck tension required for reloaders. To determine the correct bushing size, users should measure the outside neck diameter of a loaded cartridge and subtract .002" to .003" to account for brass spring back. Alternatively, users may measure the case neck wall thickness, multiply by two, add the bullet diameter, and subtract .001". RCBS recommends keeping bushings one or two sizes above and below the target diameter. Note: Redding, Wilson, and Hornady bushings may also be used in RCBS Gold Medal bushing dies.

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