p>The RCBS MatchMaster Duo Full Length 2-Die Set for .25 Creedmoor (Model R23704) is engineered to produce match-grade precision ammunition with highly consistent cartridge overall length (COAL). This premium two-die set pairs a standard, non-bushing full-length sizing die with a micro-adjustable MatchMaster seating die. Built to fit standard reloading presses with 7/8"-14 threading, this set simplifies case preparation while offering competitive shooters and long-range handloaders advanced control over bullet seating geometry.

Key Features

• Micrometer Seating Precision: Features an oversized, highly readable adjustment knob that allows handloaders to adjust bullet seating depth in precise, repeatable increments of 0.001 inches.
• Bullet Seating Window: A built-in side-loading window allows you to drop the bullet directly into the die body. An internal sleeve aligns the bullet perfectly with the case neck before seating to prevent pinched fingers and misaligned bullets.
• Standard Full-Length Sizing: The included full-length sizing die utilizes a fixed neck dimension without the need for interchangeable bushings, ensuring reliable chambering dimensions and simplified case preparation.
• Durable Construction: Crafted from case-hardened, hand-polished steel for long-term reloading consistency.

Product Specifications

• Calibre: .25 Creedmoor
• Thread Size: Standard 7/8"-14 threading
• Die Set Composition: 1 x Full-Length Sizing Die, 1 x MatchMaster Micrometer Seating Die
• Adjustment Increment: 0.001 inches
• Shellholder Compatibility: RCBS Shellholder #3 (sold separately)

Who is the RCBS 25 Creedmoor MatchMaster Duo Die Set for?

• Precision rifle competitors shooting 25 Creedmoor — Require the ability to dial in bullet seating depth in highly precise, repeatable steps of 0.001 inches to optimize cartridge overall length (COAL) for extreme concentricity and match-grade accuracy.
• Long-range target shooters handloading 25 Creedmoor — Need a standard 7/8"-14 threaded die set that combines standard full-length sizing convenience with a micro-adjustable seater to achieve consistent, high-tolerance reloads for tight groupings.

Less suitable for: Reloaders requiring case neck crimping, as this specialised 25 Creedmoor seating die does not feature a built-in crimping ring and requires a separate crimping die, or those using oversized press threads like 1-1/2"-12 who would require a thread adapter to mount these dies.