Weatherby 30-378 WBY 195gr Hammer Custom Ammunition

The Ultimate Weatherby Magnum

The 30-378 Weatherby Magnum represents the pinnacle of rifle cartridge development—a true magnum born from decades of precision engineering and field-proven performance.

Historical Significance

Originally conceived as a wildcat cartridge by Roy Weatherby in 1959, this cartridge was developed at the request of the United States Army. It represents the necking down of the massive 378 Magnum case to 30 caliber, creating one of the most powerful and fastest 30-caliber cartridges ever produced. After years of development, Weatherby reintroduced it as a production cartridge in 1996, bringing this legendary round to the broader shooting community.

Performance Characteristics

• Velocity: Drives 195-grain bullets to approximately 3,500 feet per second
• Bullet Type: Hammer Custom projectiles for superior accuracy and terminal performance
• Case Capacity: Massive powder capacity for extreme velocity and energy
• Application: Long-range hunting, precision shooting, and magnum rifle enthusiasts

What You Get

Each box contains 20 rounds of factory-loaded ammunition, ready for your Weatherby magnum rifle. The combination of premium Hammer bullets and Weatherby's meticulous loading standards ensures consistent velocity, accuracy, and reliability shot after shot.

For the Serious Shooter

This is ammunition for those who demand the absolute best in long-range performance. Whether you're pursuing distant game or testing the limits of precision rifle shooting, the 30-378 Weatherby Magnum delivers the velocity and energy needed to succeed.