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HSM's Game King line brings together a proven hunting platform with meticulous attention to detail. The 150-grain Sierra GameKing spitzer boat tail bullet has earned its reputation over decades of field use, and HSM pairs it with components specifically selected to maximize that bullet's potential. The result is factory ammunition that shoots with the consistency you'd expect from a handloaded round.
The 150-grain GameKing delivers what the .270 Winchester was built for—flat-shooting accuracy with effective terminal performance on deer-sized game and larger animals at practical hunting distances. The spitzer boat tail design improves aerodynamics for better long-range performance, while the GameKing's soft cup-and-core construction provides controlled expansion without excessive fragmentation. Velocity runs around 2900 to 2950 fps depending on your barrel length, giving you reliable trajectory and energy retention out to 300 yards and beyond.
Each round uses boxer-primed, reloadable brass casing and is loaded to exacting specifications. HSM's manufacturing process ensures that components are precisely matched to deliver consistent performance from round to round. The attention to detail means minimal velocity variation and tight grouping—qualities that matter when you're taking a rifle shot that counts.
Gunners have successfully used the 150-grain GameKing in the .270 Winchester for generations. It delivers more energy and deeper penetration than lighter bullets while remaining accurate across a wide range of rifles. For hunters pursuing deer, elk, or similar game, this load sits in the practical sweet spot—heavy enough to hit hard, light enough to shoot well.
The 150-grain GameKing works well on deer, elk, and similar medium to large game animals. The bullet's controlled expansion provides reliable performance at typical hunting distances, with solid penetration for ethical kills. Shot placement matters most, but this load has a proven track record across a wide variety of game.
Yes. HSM uses boxer-primed, reloadable brass, so you can reload these cases after firing. This makes the round economical for handloaders who want to reduce long-term ammunition costs while maintaining consistent quality.
HSM matches every component in the cartridge—powder, primer, and brass—specifically to the Sierra GameKing bullet. This level of precision typically found in handloaded ammunition results in tighter velocity spreads and better accuracy than mass-produced factory rounds, while maintaining the convenience of factory ammunition.
The 150-grain GameKing typically achieves around 2900 to 2950 fps in standard .270 Winchester rifles with 24-inch barrels. Shorter barrels will see slightly lower velocities. A chronograph gives you the most accurate reading for your specific rifle and will help you verify performance.
| Caliber/Gauge | .270 Winchester |
|---|---|
| Case Material | Brass |
| Cost per Round | 2.05 |
| Grains | 150 gr |
| Manufacturer | |
| Manufacturer Part Number | 27013N |
| Units per Box | 20 |
| UPC | 810742022891 |
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