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Pistol-caliber suppressors tend to force a choice: short and handy, or long and quiet. The Maxim Defense MS-9 skips that decision entirely. Run it in the short configuration at 5.375 inches and 8.7 ounces when you want a compact setup on your carry-size pistol, or stretch it out to 7.5 inches and 10.5 ounces when you want every bit of sound reduction on a PCC or range gun. Swapping between the two takes minutes, and the whole can breaks down with common garage tools for cleaning, which matters more than people think with dirty 9mm loads.
The baffle stack is 17-4 stainless steel, so it shrugs off heat and holds up to regular scrubbing, while the 7075 aluminum tube keeps the weight down where you notice it most, out at the end of the barrel. Cerakote and hard coat anodizing on the exterior handle wear and corrosion. The MS-9 is full-auto rated with no barrel length restrictions, so it is just as comfortable on a stubby 9mm pistol as it is on a carbine getting run hard through a training day.
On a Glock 19 Gen 5 with 147 grain ammo, the MS-9 has metered around 134 dB in the short configuration and just under 132 dB in the long setup, comfortably below the hearing-safe threshold. Pair it with subsonic loads and it makes range sessions genuinely pleasant. Beyond noise, you also get less flash and softer recoil, which adds up to faster follow-up shots.
The can ships with a 1/2-28 piston built around the proven Dead Air P-Series booster pattern, so it will thread right onto most 9mm pistols with a threaded barrel, and pistons in other pitches are easy to source. A direct thread mount covers fixed-barrel hosts like PCCs. One suppressor, two lengths, pistols and carbines both covered. That is a lot of versatility from a single stamp on your shelf.
Yes, that is exactly what it was designed for. The included 1/2-28 piston handles tilting-barrel pistols, while the direct thread mount covers fixed-barrel hosts like PCCs. There are no barrel length restrictions, and it is full-auto rated, so it handles high round counts without complaint.
Tested on a Glock 19 Gen 5 with Federal 147 grain ammo, it metered around 134 dB in the short configuration and 131.9 dB in the long configuration, both below the generally accepted hearing-safe level. Results will vary with your host gun, barrel length, and ammo choice. Subsonic 147 grain loads will give you the quietest experience.
It is, and that is a big plus with a 9mm can since pistol calibers run dirty. The MS-9 disassembles with common garage tools, no proprietary wrenches required. The 17-4 stainless steel baffles tolerate aggressive cleaning methods, so keeping it running at peak performance is straightforward.
Yes. The MS-9 uses the widely supported Dead Air P-Series booster pattern, so swapping to other common thread pitches like 13.5×1 LH for many European pistols is simple. That keeps one suppressor compatible with just about any threaded 9mm host you own.
| UPC | 680017482176 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MXM-48217 |
| Caliber/Gauge | 9mm |
| Color | Black |
| Model | |
| Product Type | Suppressor |
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