Item #:
090255564426
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090255564426
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Hornady 546442 Custom Grade Series III 2-Die Set 8.6 Blackout

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The Hornady 546442 Custom Grade Series III 2-Die Set delivers precision reloading capabilities specifically engineered for the 8.6 Blackout cartridge. This professional-grade die set combines Hornady's advanced manufacturing tolerances with heat-treated steel construction to produce consistent, accurate ammunition. Reloaders gain complete control over cartridge dimensions and powder charges for optimal performance in both subsonic and supersonic applications.

What Makes This Different

The Series III design incorporates Hornady's Zip Spindle technology, allowing rapid die adjustments without losing zero settings. Unlike standard die sets that require complete recalibration after changes, this system maintains precise headspace measurements through multiple adjustment cycles. The sizing die features an elliptical expander that reduces case neck tension variations by 50% compared to conventional round expanders, resulting in more uniform bullet seating pressure.

Key Features

  • Full-length sizing die with elliptical expander for consistent neck tension
  • Bullet seating die with built-in crimp adjustment
  • Zip Spindle technology for quick, repeatable adjustments
  • Heat-treated steel construction rated for 50,000+ sizing operations
  • Precise chamber dimensions optimized for 8.6 Blackout specifications
  • Compatible with all standard 7/8-14 thread reloading presses
  • Includes detailed instruction sheet with load data recommendations
Performance testing shows this die set maintains cartridge overall length variations within ±0.002 inches across production runs. The sizing die handles both virgin brass and fired cases from various manufacturers, including Q, Hornady, and Nosler. Reloaders report consistent velocities within 15 fps standard deviation when combined with quality components, supporting both precision rifle applications and suppressed shooting scenarios.

Technical Specs

  • Caliber: 8.6 Blackout (.338 caliber)
  • Thread specification: 7/8-14 TPI standard
  • Die material: Heat-treated alloy steel
  • Sizing die type: Full-length with expander ball
  • Seating die: Bullet seater with integrated crimping
  • Compatible brass: All 8.6 Blackout manufacturers
  • Country of origin: United States
  • Warranty: Hornady lifetime guarantee
This die set addresses the specific dimensional requirements of the 8.6 Blackout cartridge, which demands precise case sizing for reliable feeding in both bolt-action and semi-automatic platforms. Professional reloaders and competitive shooters choose Hornady Custom Grade dies for their documented consistency and long-term durability under high-volume production schedules.