HSM 300 WBY MAGNUM 165GR GameKing ammunition delivers 165-grain projectiles in the .300 Weatherby Magnum cartridge. Product packaging supports both retail and bulk buyers, with individual boxes and full-case ordering available. These cartridges are marked as reloadable by the manufacturer.
Packaging
Box: Sold per box; each retail box contains 20 rounds.
Case: Available by case; each case comprises 20 boxes (for a total of 400 rounds when ordering a full case).
Key Specifications
- The brand is HSM.
- The product name is HSM 300 WBY MAGNUM 165GR – GAMEKING.
- The caliber is .300 Weatherby Magnum.
- The bullet weight is 165 grains.
- The cartridges per box are 20 rounds.
- The boxes per case are 20.
- The case total is 400 rounds (20 boxes).
- The cartridges are marked as reloadable: Yes.
This HSM load supplies consistent 165-grain .300 Weatherby Magnum cartridges packaged for retail and bulk purchase. Its retail-friendly 20-round boxes and case configuration make it practical for field use and extended trips where the .300 Weatherby Magnum cartridge is appropriate.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.




