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This is factory ammunition built for hunters who refuse to compromise. HSM sources only the best brass cases, precision-cut primers, and carefully formulated powder charges to create cartridges that shoot tight and perform even tighter. Each round gets topped with Sierra's GameChanger bullet, a bullet that's fundamentally different from what you'll find in standard factory loads.
Sierra took their legendary MatchKing blueprint and completely reworked it for hunting. The result is a hollow-point design that initiates expansion instantly on impact while a thick copper jacket contains that expansion within predictable limits. The transparent polymer tip improves ballistic flight and ensures consistent performance. Inside, the construction uses a special lead alloy core surrounded by that tough jacket, delivering both expansion and penetration across any reasonable hunting distance. That combination of accuracy potential with deadly terminal performance is exactly what the name promises.
At 165 grains, this load generates 2950 fps from the muzzle with 4324 foot-pounds of energy, producing the kind of flat trajectory and energy retention that keeps you effective beyond typical hunting ranges. The boat-tail design and tight manufacturing tolerances help these rounds track through the air consistently, which matters when you're trying to thread the needle on big game. Loaded in brass cases that take reloading well, every component is built to match-grade standards because a missed opportunity is a missed opportunity.
HSM has been ammunition manufacturing since 1974, running all their production in-house at their Stevensville, Montana facility. That's not just marketing speak. You're getting ammunition made by people with real skin in the game, not outsourced to whoever offers the lowest bid. Each box contains 20 rounds ready to go.
The 165-grain GameChanger load is built for medium to large game like deer, elk, and similar-sized animals at hunting ranges. The bullet's weight and design balance speed with deep penetration, making it effective across the spectrum of North American big game without being overkill on smaller species.
Yes. HSM loads premium brass specifically selected for reloading durability. The cases are Remington-standard dimensions and take standard large rifle magnum primers, so you can reload them using your existing equipment and published 7mm Rem Mag load data.
Sierra engineered the GameChanger by merging their MatchKing accuracy foundation with a hunting-focused hollow-point design. The polymer tip provides instant expansion initiation while the thick copper jacket controls that expansion, delivering clean kills with minimal meat damage and reliable downrange performance.
With 2950 fps muzzle velocity and a boat-tail design, these rounds maintain energy well beyond typical hunting distances. The flat trajectory and retained energy make them effective on game well past 300 yards, though like all ammunition, actual performance depends on your rifle's ballistics, your skill, and environmental conditions.
| Caliber/Gauge | 7 mm Remington Magnum |
|---|---|
| Case Material | Brass |
| Cost per Round | 2.80 |
| Grains | 165 gr |
| Length | 6.1000 |
| Manufacturer | |
| Manufacturer Part Number | 7MMMAG26N |
| Units per Box | 20 |
| UPC | 810742027018 |
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