HSM 300 Win Mag 200gr Sierra GameKing 20rd Box

The HSM 300 Win Mag 200gr GameKing is factory-loaded hunting ammunition built around Sierra’s GameKing projectile. Components are matched to the GameKing/Pro-Hunter bullets to support consistency and accuracy in the field. These rounds are offered in standard 20-round boxes with brass cases and are listed as reloadable. The loadings are suited for hunting and other outdoor shooting applications where dependable, factory-matched performance is required.

Key Specifications

• The cartridge caliber is .300 Winchester Magnum.
• The bullet weight is 200 grains.
• The projectile line is identified as Sierra GameKing (Spitzer Boat-Tail).
• The listed bullet type is Jacketed Soft Point.
• Packaging contains 20 rounds per box.
• Cases are supplied as brass.
• The rounds are marked as reloadable.
• The listed muzzle velocity is 2850 fps.
• The listed muzzle energy is 3608 ft lbs.
• Boxes per case are 20.

These factory-loaded cartridges combine a proven Sierra GameKing projectile with matched components for consistent performance in hunting scenarios. With brass, reloadable cases and conventional 20-round packaging, they provide a reliable option for shooters who prioritize consistent ballistics and straightforward field performance.