Hornady 30-378 Weatherby Magnum 20rd Cartridge Case



Hornady 30-378 Weatherby Magnum 20rd Cartridge Case Specifications

The foundation of Hornady® Ammunition

At Hornady,® brass is the foundation for what could be the most memorable shot of your lifetime. Extra time and care is taken in the creation of Hornady’s cases, producing smaller lots that meet strict quality standards.

Hornady’s cases offer reloaders excellent uniformity in wall thickness, weight and internal capacity. Hornady measure for consistently tight wall concentricity and even run our cases through a pressure calibration test to ensure uniform case expansion during firing.

Hornady’s cases allow proper seating of the bullet, not only in the case, but in the chamber as well. High quality brass contributes to consistent charges and pressures.


  • Tight Wall Concentricity – Concentricity helps to ensure proper bullet seating in both the case and the chamber of your firearm. Higher concentricity also aids in a uniform release of the bullet on firing, for optimal velocity and accuracy.
  • Uniform Case Wall Thickness – Benchrest shooters have long known that uniform case wall thickness is vital to accuracy. Hornady manufacture to extremely tight tolerances to ensure this critical element is as consistent as possible.
  • More Reloads Per Case – Hornady treat Hornady brass as the foundation for an accurate cartridge, not a commodity. Because Hornady take greater care in its creation you’ll get more reloads from Hornady brass.
  • Consistent Weight and Capacity – Every single Hornady case, regardless of the lot in which it was produced, is virtually identical to other Hornady cases in the same caliber. For you, this means consistent pressures, velocity and accuracy — every time.


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