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Running a big-bore build in 8.6 Blackout means dealing with a serious muzzle signature, and Q built this flash hider specifically for that job. It knocks down the fireball when you're shooting unsuppressed, but the real value is what it does underneath: this is a Quickie Fast-Attach mount, so it doubles as the interface for Q's PORQ CHOP and Short CHOP silencers, plus the Plan B XL adaptors. Leave it torqued on the barrel, spin your can on when you want it, spin it off when you don't. No wrenching at the range.
The whole unit is machined from 17-4 stainless steel, which handles heat and hard use without complaint. At 2.13 inches overall and just 2.1 ounces, it adds almost nothing to the end of your barrel, which matters on the short, handy bolt guns and gas guns this cartridge tends to live on. This 1/2×28 version comes with 3/4 inch wrench flats cut right into the body, so installation is a simple wrench-and-torque affair. Worth noting: these do not use tapered threads, so it mounts up like a conventional muzzle device.
Setup is straightforward. Pull any old device, shims, or crush washers off the muzzle, clean and degrease the threads, apply a thread locker like Rocksett, and torque it to 40 ft-lbs using the flats. No crush washer needed, and skipping one keeps the mount square to the bore, exactly what you want under a suppressor.
If you own or are planning on a PORQ CHOP or Short CHOP, picking up one of these for each host barrel is the smart move. One suppressor, multiple rifles, quick swaps between them. And if the can stays home for a hunt or a range day, you've still got legitimate flash reduction on the muzzle instead of a bare mount. Just match the thread pitch to your barrel; this is the 1/2×28 version, and Q also makes a 5/8×24 if that's what your rifle wears.
This is a Quickie Fast-Attach mount, so it pairs directly with Q's PORQ CHOP and Short CHOP silencers, and it also works with the Plan B XL adaptors. Keep in mind that larger caliber mounts are not compatible with smaller caliber suppressors, so this 8.6/.338 version is meant for cans with a matching or larger bore.
No, and you shouldn't use one. Q recommends cleaning and degreasing the muzzle threads, applying Rocksett thread locker, and torquing the device to 40 ft-lbs using the 3/4 inch wrench flats. That keeps the mount square to the bore, which is important when you're hanging a suppressor off it.
No, this flash hider uses standard non-tapered 1/2×28 threads. That makes it a straightforward fit on conventional threaded barrels without needing a taper-cut shoulder. Just confirm your barrel is threaded 1/2×28, since Q also offers a 5/8×24 version of this same device.
The exit aperture is sized for the .338 caliber bullets the 8.6 Blackout fires, so it will physically fit any 1/2×28 barrel with a bore of .338 or smaller. That said, running an oversized aperture on a much smaller caliber gives up some flash reduction efficiency, so it works best on 8.6 BLK and other .338 bore hosts.
| UPC | 850035705582 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | ACCFH1/2288.6 |
| Model | |
| Shipping Weight | 0.126 |
| Thread Pattern | 1/2"x28 |
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