SKU: RC11140
UPC: 604544654363
MPN: 11140
The RCBS MatchMaster Competition Seating Die .223 Remington is purpose-built for precision rifle shooters who demand consistency in ammunition assembly. Designed for competitive shooters and reloaders pursuing match-grade accuracy, this seating die is essential for those serious about ammunition quality. The .223 Remington is a dominant round in precision rifle competitions and three-gun matches, making dedicated seating equipment crucial.
RCBS engineered the MatchMaster line specifically to control bullet seating depth to within 0.001" tolerances, which is critical for maintaining chamber pressure curves and barrel harmonics. The die features a micrometer-adjustable seating stem that allows fine-tuning of cartridge overall length without trial-and-error adjustments, thereby reducing setup time and human error. Constructed with hardened steel components and precision-machined surfaces, it threads into standard 7/8"-14 reloading press stations, making it compatible with any progressive, single-stage, or turret press.
Competition shooters assembling match ammunition benefit most from this die's repeatability, ensuring every round meets chamber specifications. The precision seating capabilities of the MatchMaster die are particularly advantageous for those aiming for sub-minute-of-angle loads. This die is an excellent choice for reloaders focused on achieving the highest level of accuracy in their ammunition.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.