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HSM Game King ammunition uses Sierra Pro-Hunter bullets specifically matched with components tuned for each load. This 125-grain supersonic round moves at 2200 feet per second with 1344 foot-pounds of muzzle energy, hitting hard enough for deer, hog, and similar-sized game within practical hunting ranges.
The pairing of Sierra's proven Pro-Hunter bullet design with HSM's component selection makes this ammunition perform more like a handload than factory ammo. The 125-grain soft point expands reliably at the velocities this cartridge produces, and the brass construction gives you the option to reload. Twenty rounds per box fits standard .300 Blackout magazine capacity without crowding your mag, so you can load and carry an effective hunting load without hassle.
The .300 AAC Blackout walks a different path than most rifle cartridges. This specific load stays supersonic, which means it delivers better trajectory and energy retention than heavier subsonic alternatives. That matters if your hunting situation involves ranges beyond 75 yards or if you're running a standard-length barrel. The bullet design handles expansion well even if shot placement isn't perfect, which separates true hunting rounds from basic target ammo.
HSM has been matching components since 1968, and it shows in how these loads perform downrange. You're getting precision ammunition from a family-owned Montana operation with decades of real-world testing behind the load development.
Yes. This load is specifically designed for hunting with a 125-grain Pro-Hunter bullet that expands reliably on game. The 2200 fps muzzle velocity and 1344 ft-lbs of energy make it effective for medium-sized game like deer and hogs at typical hunting ranges up to about 150 yards.
HSM matches each load's components to work together as a system rather than using generic parts. The result is tighter accuracy and more consistent expansion than standard factory ammunition. This supersonic load delivers better downrange performance than heavy subsonic alternatives.
Yes. The brass cases are reloadable, which is an advantage over many budget ammunition options. This lets you extend the value of your hunting load if you handload.
HSM Game King .300 Blackout works in any standard .300 Blackout barrel from 9 inches up to 16 inches or longer. The 2200 fps load performs well from typical hunting rifle barrel lengths.
| Caliber/Gauge | .300 AAC Blackout |
|---|---|
| Case Material | Brass |
| Cost per Round | 1.45 |
| Grains | 125 gr |
| Length | 6.1000 |
| Manufacturer | |
| Manufacturer Part Number | 300BLK3N |
| Units per Box | 20 |
| UPC | 837306007200 |
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