RCBS Matchmaster Neck Bushing 2 Die Set 6mm Dasher

• Micrometer seating adjustment: The oversized micrometer makes fine seating-depth changes easy to repeat, which helps when tuning loads for tighter groups and more consistent cartridge overall length.
• Neck-bushing sizing system: Interchangeable neck bushings let the reloader control neck tension more precisely than a fixed-diameter design, a practical advantage for brass life and load development.
• Titanium carbide expander: The sizing die uses a titanium carbide expander to reduce brass buildup and keep extraction smoother during case processing, which helps maintain a more consistent workflow.
• Competition-style seating die: The free-floating, self-centering seating system is designed to support straighter bullet alignment, an important benefit for precision rifle ammunition.
• Standard 7/8"-14 compatibility: The die set fits common reloading presses, so it integrates easily into an established bench setup without requiring a proprietary press system.

About the MatchMaster Series

The RCBS MatchMaster series sits at the precision end of the company’s rifle die lineup, built for reloaders who want more control over cartridge uniformity than a conventional hunting die set typically provides. These dies are aimed at benchrest, long-range, and precision rifle loading, where small changes in neck tension and seating depth can show up on target. The series is offered in both neck-size bushing and full-length bushing configurations, along with dedicated seater dies, so reloaders can choose a setup that matches their brass-prep routine and rifle application.

A defining feature of the MatchMaster family is its combination of changeable neck bushings and micrometer seating adjustment. That layout gives the user a more deliberate way to tune neck grip and bullet seating depth for a specific load. RCBS also builds the series around hardened steel construction, precision internal finishing, and a seating system intended to keep the bullet centered as it enters the case. In practice, the MatchMaster line is designed for reloaders who value repeatability, careful load tuning, and ammunition built with close attention to concentricity.

About the RCBS Matchmaster Neck Bushing 2 Die Set 6mm Dasher

The RCBS Matchmaster Neck Bushing 2 Die Set 6mm Dasher is configured for reloaders who want to build highly consistent ammunition for a 6mm Dasher precision rifle while keeping close control over the variables that matter most. This two-die set combines a competition-style neck sizing die with a micrometer seating die, making it especially well suited to shooters working with carefully prepared brass for target, benchrest, or long-range use. Because it is a neck-sizing bushing die set, it emphasizes control over neck tension rather than broad one-size-fits-all sizing.

The bushing-based sizing system allows the user to select the neck diameter that best fits the brass and bullet combination being loaded. That matters in practice because neck tension influences bullet release, and bullet release influences consistency. The die also uses a titanium carbide expander, which helps reduce brass buildup and promotes smoother case handling during repeated loading cycles. For reloaders who process a lot of match brass, that can mean cleaner operation and less interruption at the bench.

The seating die is equally focused on precision. Its oversized micrometer supports repeatable seating-depth changes, while the free-floating, self-centering seating arrangement is intended to help align the bullet as it is seated. This is useful when comparing loads, adjusting for a preferred jump, or returning to a known setting after testing. With its standard 7/8"-14 thread, steel construction, and bottle-neck rifle case design, this MatchMaster die set fits naturally into a serious reloading setup built around repeatable ammunition assembly.

About RCBS

RCBS was founded in 1943 by Fred T. Huntington in Oroville, California, and the company grew from a bullet-swaging tool that gave the brand its name, Rock Chuck Bullet Swage. RCBS has long focused on ammunition handloading and reloading equipment for rifle and pistol cartridges, with a product range that includes dies, presses, shell holders, powder measures, and priming tools. The company also offers single-stage, turret, and progressive presses, reflecting its broad role in the reloading market from basic bench setups to higher-output systems.

Manufacturing in Oroville, California remains an important part of the brand’s identity, especially for reloaders who associate RCBS with established American-made tooling. In 2024, RCBS became a brand of Hodgdon Powder Company. In this product category, RCBS is known for practical die designs, broad caliber coverage, and tools intended to support repeatable ammunition building for both general-purpose and precision rifle loading.

Main Features

• Manufacturer: RCBS
• Made in: USA
• Die operation: Bullet seating, Decapping, Neck sizing
• Pack size: 2 die set
• Die type: Bushing
• Bushing: Yes
• Bushing style: Competition Bushing Neck Die
• Case body design: Bottle neck
• Case type: Rifle
• Sizing die material: Titanium carbide
• Material: Steel
• Adjustment: Micrometer
• Press compatibility: Standard 7/8"-14 thread
• Bullet diameter: 6.17 mm
• Bullet diameter: 243.00 inch
• Compatible caliber: 6mm Dasher

Warranty

2 years. This RCBS die set is covered by a two-year warranty period.