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If you're looking for subsonic .44 Magnum performance without the typical weak punch, HSM's 400-grain load hits differently. Running at approximately 1,000 fps from an 18-inch barrel means it stays below the sound barrier, cuts down recoil, and pairs beautifully with a suppressor. You're looking at 888 foot-pounds of energy on target, which is serious business compared to most subsonic .44 loads out there.
The 400-grain hard cast flat nose bullet sits at the heavier end of the subsonic spectrum. That weight carries meaning. The flat nose design maximizes energy transfer on impact, while the hard cast construction ensures deep penetration. The Hi-Tek Supercoat applied to these bullets reduces barrel fouling and creates a uniform finish that keeps your gun cleaner through extended shooting sessions. This matters if you're putting rounds downrange regularly.
Rifle shooters will find the 1.620-inch overall length feeds reliably through tubular magazines and autoloading platforms. The round cycles smoothly in modern lever action rifles and revolvers when the gun has a reasonably fast twist rate (1:26-inch or faster is recommended). A few things to know upfront: the heavy bullet requires a quality feeding system, and some rifles with tighter magazine geometry may need a test run first. That's just reality with specialty ammo.
The brass cases are reloadable and loaded with non-corrosive Boxer primers, so if you're into handloading you're getting another round of use from each case. HSM loads this on automated equipment with hand inspection to maximize quality control. You get 20 rounds per box, which works well for testing, range sessions, or tactical applications where you need reliability and consistency.
This is the ticket for hunters working noise-restricted areas, anyone running a suppressed platform, or shooters wanting quiet practice without sacrificing real terminal energy. The subsonic profile keeps things mellow on your ears while the 400-grain projectile keeps the performance where it needs to be.
HSM designed this load to feed smoothly in modern lever action rifles and revolvers with tubular magazines. The 1.620-inch cartridge length supports reliable feeding in most platforms. However, the 400-grain bullet is heavier than what some rifles are tuned for, so running a few rounds through your specific gun first makes sense before committing to a full box, particularly if your rifle has tighter magazine geometry.
Hi-Tek is a durable polymer coating that molecularly bonds to the lead, creating a consistent layer that keeps your barrel cleaner than bare lead bullets. It reduces fouling buildup, minimizes lead exposure, and promotes easier maintenance between shooting sessions. The uniform finish also supports consistent accuracy and performance shot to shot.
At 1,000 fps from an 18-inch barrel, this load stays subsonic and eliminates the supersonic crack you'd hear with standard .44 Magnum loads. When paired with a proper suppressor, the result is noticeably quieter than standard .44 Mag, making it excellent for noise-sensitive hunting and range work. Without a suppressor, the report is still muffled compared to full-power .44 Magnum.
Yes. HSM loads these on reloadable brass cases with non-corrosive Boxer primers, so after firing you can reload them using standard handloading techniques. This extends the value of each round and is particularly useful if you shoot this load regularly.
| UPC | 810742029739 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 44M19N |
| Caliber/Gauge | .44 Magnum |
| Grains | 400 gr |
| Length | 3.2500 |
| Units per Box | 20 |
| Cost per Round | 1.70 |
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