Weatherby .30-378 Unprimed Brass 20/Box

Premium Weatherby Magnum Brass for the Serious Reloader

Weatherby's unprimed rifle brass represents the gold standard for handloaders seeking maximum accuracy and consistency. Each case features CNC-machined primer pockets produced to match-grade specifications, ensuring reliable ignition and shot-to-shot consistency.

Quality Construction

Key Features:

• Norma Precision brass construction
• CNC-machined primer pockets for precise tolerances
• Match-grade specifications throughout
• Twenty cases per box

Before You Reload

These cases arrive unprimed and require proper preparation before reloading. We recommend the following steps:

• Size the cases to your specific chamber dimensions
• Deburr the flash holes for consistent primer seating
• Chamfer the case mouths to ensure proper bullet seating
• Anneal if necessary to restore case flexibility after sizing

Manufacturing Notes

The annealing process—rapid heating followed by fast cooling—ensures the brass expands and contracts properly during firing, providing a secure grip on your bullets. You may notice slight discoloration near the neck; this is a normal result of the annealing process and does not affect performance. Cases may also require minor mouth rounding due to manufacturing or shipping, which proper sizing will correct.

Ideal for hunters and precision shooters who demand the finest components for their .30-378 Weatherby Magnum rifles.