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Sig developed the SLH series alongside its SLX line to meet U.S. military requirements, and the SLH 300 Ti QD is the sound-focused member of the family built specifically around .300 Blackout. The core is machined titanium, which is how a full-size 8.8 inch can comes in at a hair over a pound. That weight matters more than people think. Hang a heavy steel can off a short Blackout barrel and the whole gun feels nose-heavy. This one keeps a pistol or SBR balanced the way it should be.
The internal multi-flow path design is the standout feature here. Instead of dumping all that gas back toward your face, the baffle geometry redirects flow so up to half the toxic fumes that would normally vent through the ejection port never make it there. Anyone who has put a long session on a suppressed AR knows exactly why that matters. Less gas in your eyes, less gunk you are breathing, and a more pleasant day behind the gun. It handles supersonic and subsonic ammo equally well, which is the whole point of running Blackout in the first place.
The Clutch-LOK system uses a tactile locking ring with infinite radial locking positions, so the can goes on fast, locks up tight, and comes off without a fight even after it gets carbon-caked. The included muzzle device threads onto a standard 5/8×24 barrel, so setting up a second host is as simple as grabbing another mount. A flash-reducing end cap and high-temp black Cerakote finish round out the package.
Backed by Sig's Infinite Guarantee, this is a can built to spend its life on a working rifle. For a dedicated .300 Blackout setup, whether that is a hunting rig, a truck gun, or a home defense build, the SLH 300 Ti QD checks the boxes that count: light, quiet, and easy to move between hosts.
Yes, and that versatility is a big part of its design. The SLH series was tuned to deliver strong sound reduction with subsonic loads while holding up to full-power supersonic ammo. You can swap between the two without changing anything on the can.
Clutch-LOK uses a tactile locking ring with infinite radial locking positions, so the suppressor seats onto the included muzzle device and locks down with a quick twist. It returns to the same position each time for consistent point of impact, and it comes off easily even after heavy carbon buildup. Extra mounts are available if you want to run it across multiple rifles.
The included QD muzzle device threads onto a standard 5/8×24 barrel, which covers the vast majority of .300 Blackout rifles and pistols. If your barrel has a different thread pitch, you would need it re-threaded or a compatible Sig mount.
It does. The internal multi-flow path routes gas forward and out rather than back through the action, reducing the fumes venting through the ejection port by up to 50 percent. On a suppressed semi-auto that translates to noticeably less gas hitting your face during a long range session.
| UPC | 798681642656 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SLH300TI-QD |
| ATF Type | Silencer |
| Caliber/Gauge | .300 AAC Blackout |
| Product Type | NFA – Silencer |
| Shipping Weight | 1.9 |
| Color | Black |
| Model |
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