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If you're looking for hunting ammunition that feels like it came from your own reloading bench, this is it. HSM has paired their manufacturing expertise with Sierra's legendary GameKing bullets to create ammunition that shoots significantly tighter than most factory loads.
The Sierra GameKing bullet has been a field-proven performer for decades. The 100-grain version in the 243 Winchester is specifically designed for hunting at range, with a boat tail profile that delivers ballistic advantages usually found in match-grade ammunition. That boat tail design reduces drag, keeps velocity higher downrange, and gives you flatter trajectories without sacrificing accuracy. The soft point construction expands reliably on game while maintaining penetration through vitals.
HSM doesn't just drop any bullet into any case. Each caliber receives individually matched components, primers, and powder charges that maximize the potential of that specific GameKing bullet. This attention to detail is why people often say these loads are nearly indistinguishable from handloads. Field reports consistently show sub-MOA accuracy in well-tuned rifles, which is more than adequate for ethical hunting shots out to the practical range limits of the 243 Win.
Loaded in reloadable brass cases with boxer primers, these cartridges are ready for a second life after firing. That saves you money over time, and the quality of the brass reflects HSM's commitment to manufacturing. Non-corrosive primers ensure reliable ignition and easier cleanup.
The 100-grain Sierra GameKing is one of the most field-proven deer bullets in North America and works well on medium game like antelope. It's flat-shooting, accurate, and expands reliably at the velocities the 243 Win produces at realistic hunting ranges. The boat tail design makes it effective at longer distances where the 243 Win is commonly used.
Sierra is known for tight quality control on manufacturing, and field reports consistently place the GameKing at 0.5 to 1.0 MOA in well-tuned bolt-action rifles. Many users report that HSM Game King factory loads are so precisely matched that they perform nearly identically to hand-loaded ammunition, which is exceptional for factory ammunition.
Yes. The ammunition comes loaded in reloadable brass cases with boxer primers, which are standard for reloading. Many hunters reload these cases multiple times to save money on ammunition over the long term, as the case quality is consistent.
The boat tail profile on the GameKing bullet reduces aerodynamic drag compared to flat-base hunting bullets, which keeps velocity higher downrange and provides a flatter trajectory. This ballistic advantage is normally found only in match-grade target ammunition, but Sierra engineered it into a hunting bullet that also expands reliably for humane terminal performance.
| Caliber/Gauge | .243 Winchester |
|---|---|
| Case Material | Brass |
| Cost per Round | 1.70 |
| Grains | 100 gr |
| Length | 6.1500 |
| Manufacturer | |
| Manufacturer Part Number | 24317N |
| Units per Box | 20 |
| UPC | 810742022860 |
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