Initially a wildcat cartridge developed by Roy Weatherby in 1959 at the request of the United States Army. This white-hot cartridge is based on the 378 necked down to 30 caliber and packed with powder.
Read more.
Free shipping on orders over $99
Give us a call! (318) 649-7004
Product description
Select 30-378 Weatherby Magnum 180 Grain Interlock #H303180IL
Originally billed as the world’s fastest 30 caliber cartridge, it will push a 30 caliber bullet 3,500 feet per second. Reintroduced as a Weatherby production cartridge in 1996.
