RCBS MatchMaster Duo Die Set 7mm Rem Mag

The MatchMaster Duo Die Set combines a micrometer-adjustable seating die with a full-length sizing die to deliver consistent cartridge preparation and repeatable seating depth. The seating die allows precise, incremental adjustments, while the sizing die provides dependable case resizing for reliable chambering. Designed for straightforward setup, the system operates without bushings and supports uniform results across repeated loading sessions. Durable construction is intended for long-term use at the bench. Available in cartridges from 22 ARC to 338 Lapua.