The HSM Game King in .300 Winchester Magnum loads a Sierra GameKing-profile bullet into factory-matched components intended for consistent accuracy in hunting and precision field use. These cartridges combine a heavy-for-caliber 180‑grain projectile with full-size magnum performance and brass cases suitable for reloaders. Each box contains 20 rounds assembled to the component standards HSM advertises for this lineup.
Key Specifications
- Chambering is .300 Winchester Magnum.
- The cartridge uses a 180‑grain projectile.
- The bullet features the Sierra GameKing spitzer boat tail profile.
- Bullet construction is listed as a jacketed soft point.
- Each box contains 20 rounds per box.
- Boxes per case are 20.
- Muzzle velocity is published as 3074 fps.
- Muzzle energy is published as 3778 ft·lbs.
- Case material is specified as brass.
- Rounds are reloadable.
Built around Sierra GameKing projectiles and tailored component matching, this load is intended for hunters and precision-minded shooters who require consistent external performance from a magnum platform. It delivers the heavy-for-caliber bullet weight and factory consistency that experienced shooters expect for long-range game work and deliberate precision field use.
Related Videos:
