RCBS 28040 MatchMaster Competition Seater Die 6mm ARC Precision

The RCBS 28040 MatchMaster Competition Seater Die delivers match-grade bullet seating precision for 6mm ARC cartridges, eliminating runout and ensuring consistent overall length. This competition-grade die produces ammunition that meets the exacting standards required for precision shooting and competitive events.

What Makes This Different

The MatchMaster design incorporates a floating bullet guide and precision-machined seating stem that centers bullets perfectly during the seating process. Unlike standard seating dies that can introduce runout through misalignment, this competition die maintains concentricity within 0.001 inches. The micrometer adjustment head provides repeatable seating depth control in 0.001-inch increments, allowing shooters to fine-tune cartridge overall length for optimal accuracy.

Key Features

• Micrometer seating depth adjustment with 0.001-inch precision increments
• Floating bullet guide system eliminates bullet deformation and runout
• Precision-machined seating stem designed specifically for 6mm ARC bullets
• Hardened steel construction with corrosion-resistant finish
• Compatible with all standard 7/8-14 thread reloading presses
• Includes detailed setup and adjustment instructions
• Engineered for consistent bullet seating across various projectile weights

This seating die excels in competitive shooting applications where ammunition consistency directly impacts group size and score. The precise depth control allows shooters to optimize cartridge overall length for their specific rifle's chamber dimensions and preferred bullet jump. Weather-resistant construction ensures reliable operation in field conditions, while the robust steel components handle high-volume reloading sessions without wear.

Technical Specs

• Caliber: 6mm ARC (Advanced Rifle Cartridge)
• Thread specification: 7/8-14 TPI standard
• Construction: Hardened steel with protective coating
• Adjustment range: Approximately 0.500 inches total travel
• Seating stem: Custom-machined for 6mm projectiles
• Die body height: Standard RCBS dimensions
• Country of origin: United States
• Manufacturer warranty: RCBS standard warranty coverage

The MatchMaster Competition Seater Die represents the pinnacle of RCBS engineering for precision handloading. Competitive shooters and accuracy enthusiasts who demand sub-MOA performance will find this die essential for producing match-quality ammunition that performs consistently shot after shot.