Description
HSM 6.5×284 Norma 140 gr Sierra GameKing ammunition is a factory-loaded hunting cartridge built around Sierra’s GameKing/Pro-Hunter bullet design. Each cartridge uses brass cases and is supplied in 20-round boxes with 25 boxes per case. The load pairs a 140-grain GameKing spitzer boat-tail bullet with components matched by HSM for accuracy and terminal performance. Published performance lists a muzzle velocity of 3052 fps and muzzle energy of 2896 ft·lbs.
Key Specifications
- The cartridge is chambered for 6.5×284 Norma.
- The projectile weighs 140 grains.
- The bullet design is Sierra GameKing Spitzer Boat-Tail (SBT).
- The bullet construction is listed as jacketed soft point.
- Each box contains 20 rounds.
- Cases are sold with 25 boxes per case.
- Brass case material is specified as Brass.
- The cartridges are indicated as Reloadable.
- Reported muzzle velocity is 3052 fps.
- Reported muzzle energy is 2896 ft·lbs.
Well-suited for hunting and precision shooting, this HSM load combines a proven Sierra GameKing bullet with reloadable brass cases for consistent performance in the field and on the range.





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