HSM’s .300 RUM load is built around the Sierra GameKing/Pro-Hunter profile to deliver consistent performance for hunting applications. Components for this load have been precisely matched to the GameKing bullet design to support accuracy and terminal performance. This offering is sold in retail boxes and is also available in case quantities for bulk purchasing.
Box: Sold per box containing the listed number of rounds. Case: Available by ordering the required number of boxes to constitute a case quantity.
Key Specifications
- Caliber is .300 RUM.
- Bullet weight is 150 GRAINS.
- Bullet type is JACKETED SOFT POINT.
- Muzzle velocity is 3390 fps.
- Muzzle energy is 3829 ft lbs.
- Units per box is 20.
- Boxes per case is 20.
- Case material is Brass.
- Application is Hunting.
- Reloadable is Yes.
This HSM load pairs Sierra GameKing bullets with carefully selected components to offer dependable accuracy and performance in the field. Its brass cases, match-oriented bullets, and high muzzle energy make it suitable for serious hunting scenarios where consistent ballistics and reliable feeding are important.
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.
