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This is a serious subsonic load for anyone running a suppressed 44 Magnum rifle or revolver. HSM built this with a 280-grain hard cast flat nose bullet coated in Hi-Tek, designed to stay quiet while keeping the signature stopping power of the 44 Mag caliber.
Subsonic 44 ammunition travels below the speed of sound—typically below 1,125 fps—which dramatically reduces muzzle report and felt recoil compared to standard 44 Magnum loads. When paired with a suppressor, the result is significantly quieter than most people expect from a big-bore cartridge. The 280-grain bullet weight is heavy enough to maintain energy at subsonic speeds while staying manageable in recoil, making it a smart middle ground between control and hitting power. Temperature-stable powders keep velocity consistent from season to season, so your subsonic performance stays reliable even in cold conditions.
The Hi-Tek coating on these hard cast bullets serves multiple purposes: it reduces barrel fouling so your bore stays cleaner longer, improves feeding consistency through the chamber, and minimizes leading issues. Lead fouling inside a suppressor is a real problem, so the coating helps keep your can running clean too. Hard cast construction means these bullets punch straight through without deforming, which matters for deeper penetration on larger game.
At 653 foot-pounds of energy from a 16-inch barrel, this load sits squarely in effective hunting and defensive territory. The cartridge overall length is 1.625 inches, and HSM recommends a rifling twist of 1:36 or faster for reliable bullet stabilization. These rounds cycle reliably in modern lever-action rifles and revolvers chambered in 44 Magnum. The ammunition is reloadable, so if you reload, you've got brass to work with. Twenty rounds per box makes it easy to stock up without excess, and every box is hand-loaded by a manufacturer with a solid reputation for quality control.
Yes, it will function in any firearm chambered for 44 Magnum. However, these rounds are specifically designed for suppressed shooting—the subsonic velocity (1025 fps) and hard cast bullet are optimized to perform best with a can attached. Without one, you lose the primary advantage of the reduced report, though the ammo will still shoot accurately.
This ammo is suitable for modern lever-action rifles and handguns chambered in 44 Magnum. For reliable bullet stabilization, your rifle should have a rifling twist of 1:36 or faster. If your rifle has a slower twist rate, contact the manufacturer to confirm compatibility before shooting.
Hi-Tek coating creates a lubricious layer around the bullet that minimizes friction inside your barrel and suppressor. This keeps lead buildup down significantly compared to bare lead bullets, which means less time cleaning and more time shooting. It also helps prevent leading problems that can develop from shooting lead bullets, particularly through suppressors.
Yes, the brass is reloadable. These rounds use Boxer primers and standard 44 Magnum brass, so you can resize and reload them like any other 44 Mag cartridge. Just remember to reduce powder charge if you're working up your own subsonic loads—always consult reloading manuals for safe data.
| UPC | 810742029746 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | HSM-44M-20-N |
| Caliber/Gauge | .44 Magnum |
| Grains | 280 gr |
| Length | 3.2500 |
| Units per Box | 20 |
| Cost per Round | 1.45 |
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