HSM Game King ammunition pairs Sierra GameKing/Pro-Hunter bullets with precisely matched components to deliver consistent, factory‑tuned performance. This listing is for .243 Winchester cartridges loaded with a 100‑grain Sierra GameKing spitzer boat‑tail bullet and packaged 20 rounds per box. Cartridges feature brass, boxer‑primed cases and are reloadable; the load is marketed for hunting and precision shooting applications.
Key Specifications
- The cartridge uses .243 Winchester caliber.
- The bullet weight is 100 grains.
- The bullet is a Sierra GameKing spitzer boat‑tail design.
- The bullet construction is Jacketed Soft Point.
- The packaging contains 20 rounds per box.
- Boxes ship 25 per case.
- The cartridges use brass cases; boxer‑primed and reloadable.
- The listed muzzle velocity is 3000 fps.
- The listed muzzle energy is 1699 ft lbs.
- The intended application is Hunting.
Built around Sierra’s GameKing profile and matched components, this factory load provides shooters with a consistent, accuracy‑oriented option for field use. Its combination of a boat‑tail spitzer profile and reloadable brass cases makes it suitable for hunters and precision shooters seeking a dependable, performance‑focused cartridge.





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