Engine No. 9
One stainless can for PCCs and centerfire range rifles. Vented for less blowback, full-auto rated, .17 HMR to .338 Win Mag.
Machined and welded 17-4 stainless with 10 baffles and a black finish. Mounts on a 1.375x24 HUB (Bravo), with 1/2-28 and 5/8-24 direct-thread hubs included.
$469.00
MSRP
Specifications
| SKU: | QFEN9 |
|---|---|
| Caliber rating | .17 HMR to .338 Win Mag |
| Overall Length | 6.74 in |
| Diameter | 1.62 in |
| Weight | 16.3 oz |
| Baffles | 10 |
| Material | 17-4 stainless, machined and welded |
| Mount | 1.375x24 HUB (Bravo) |
| Direct-thread hubs | 1/2-28 and 5/8-24, included |
| Design | Vented, full-auto rated |
| Finish | Black |
| Sound reduction (9mm) | -31.5 dB at the muzzle (9mm, 5 in pistol, 147gr subsonic), measured with a Larson Davis Spartan™ Model 821 |
NFA noticeShips to your dealer, not your door. Your dealer submits an ATF Form 4 transfer, and you can take possession once it is approved. The federal tax on suppressors is $0 as of January 1, 2026.
Ready to start the stamp?
Quietflow cans transfer through any licensed SOT dealer. Find one near you, or send us a note and we'll point you at the closest shop carrying the line.