Introduced in 1998, the .338-378 Weatherby Magnum features a larger case capacity and achieves higher velocities compared to the .338 Lapua. This design enhancement allows for greater power and extended range, making the .338-378 Weatherby Magnum a formidable choice for long range shooting and big game hunting.

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It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

If you live in AK, CA, CT, DC, HI, IL, MA, MD, NJ, or NY, please read our ammo shipping restrictions before placing your order.

You must be 18 years or older to purchase rifle ammunition.
You must be 21 years or older to purchase handgun ammunition.

All California ammunition orders need to be shipped to an FFL and will be charged a 25% restocking Fee. More CA Info

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).