Hornady 545163 Match Grade Die Set 300 Winchester Magnum

The Hornady 545163 Match Grade Die Set delivers precision reloading capabilities specifically engineered for 300 Winchester Magnum cartridges. This professional-grade die set enables handloaders to produce ammunition that rivals factory match loads while maintaining consistent performance shot after shot.

What Makes This Different

Hornady's Match Grade dies feature tighter manufacturing tolerances than standard reloading dies, with concentricity held to within 0.001 inches. The dies incorporate Hornady's Sure-Loc lock rings and ZIP spindle design for repeatable adjustments. Each die undergoes individual inspection and testing to ensure it meets match-grade specifications before packaging.

Key Features

• Full-length sizing die with expander ball for consistent case preparation
• Bullet seating die with built-in crimping capability
• Sure-Loc lock rings prevent die movement during operation
• ZIP spindle design allows for precise micro-adjustments
• Heat-treated steel construction for extended service life
• Compatible with all standard 7/8-14 thread reloading presses
• Includes detailed instructions and load data recommendations

The 300 Winchester Magnum chambering demands precise case preparation due to its magnum case capacity and high-pressure operating characteristics. These dies maintain proper headspace relationships while sizing cases uniformly, resulting in improved accuracy and extended brass life. The seating die's micrometer adjustment allows bullet seating depth changes in 0.001-inch increments, critical for load development and accuracy optimization.

Technical Specs

• Caliber: 300 Winchester Magnum
• Thread: 7/8-14 standard reloading press threads
• Material: Heat-treated alloy steel construction
• Finish: Corrosion-resistant coating
• Package includes: Full-length sizing die, bullet seating die, Sure-Loc rings
• Concentricity tolerance: 0.001 inches maximum runout
• Country of origin: United States
• Manufacturer part number: 545163

Serious handloaders recognize that ammunition quality directly impacts downrange performance, whether for long-range competition or big game hunting. This Match Grade die set provides the precision tooling necessary to produce consistent, accurate ammunition that maximizes the 300 Winchester Magnum's inherent capabilities.