Description The RCBS MatchMaster Duo Die Set for .308 Winchester pairs a micrometer-adjustable seating die with a full-length sizing die to support consistent cartridge preparation and repeatable seating depth. Designed for bench reloading where precision matters, the Duo set operates without bushings and is built for long-term use. This set suits competitive and precision shooters who need reliable, repeatable results in their handloads. Specifications and Features: The set pairs a micrometer-adjustable seating die for precise incremental adjustments. The package includes a full-length sizing die to provide dependable case resizing for reliable chambering. The design requires no bushings for straightforward setup and operation. The dies are specified for the .308 / 7.62 NATO cartridge. The configuration is a 2-Die Set optimized for seating and full-length sizing tasks. The construction is described as durable for long-term bench use. The product is backed by a Limited Lifetime Warranty. The line is Proudly Made in the USA. WARNING This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov Shipping & Returns Reviews