RCBS MatchMaster Competition Bullet Seating Die 25 Creedmoor

The RCBS MatchMaster Competition Seating Die in 25 Creedmoor is a precision bullet seater built for serious match and long-range reloaders. Part of RCBS's MatchMaster competition die family, this single seater die features a micrometer-adjustable bullet seating head that lets the shooter dial seating depth in precise, repeatable increments, eliminating the need for shims or trial-and-error adjustments at the press.

Machined from case-hardened steel for long service life under repeated sizing and seating cycles, the die is built around the standard 7/8"-14 thread pattern that fits any common single-stage or progressive reloading press accepting standard rifle dies. The improved steel lock ring uses a hex design so it can be cinched down solidly without slipping, and the micrometer head holds its setting through case after case for consistent jump to the lands and uniform overall cartridge length from the first round to the last.

Sold as a single bullet seating die (no sizing die or shell holder included), the MatchMaster is intended to pair with a quality full-length or neck sizing die in 25 Creedmoor to complete a competition-grade reloading setup. It is well suited to precision rifle disciplines, custom hunting loads, and any application where neck tension, jump, and seating depth consistency translate directly into on-target performance.

Key Specifications:

• Caliber: 25 Creedmoor
• Die Type: Bullet Seating Die (single die)
• Adjustment: Micrometer-adjustable bullet seating head
• Thread Size: 7/8"-14
• Material: Case-hardened steel
• Lock Ring: Improved steel lock ring with hex design
• Manufacturer: RCBS
• MPN: 23740