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Lantac built the Plan B Dragon for folks running a 9mm PCC or pistol-caliber build who want two jobs handled by one piece of steel. It works as a serious recoil-taming muzzle brake and as a mounting platform for a Plan-B HUB suppressor, so you can run it bare at the range and add a can later without swapping devices. This is the full-length version, measuring right around 2.575 inches, with a 0.900-inch mount diameter and a standard 1/2×28 thread pitch that fits the vast majority of 9mm barrels.
The heart of it is Lantac's patented Short Energy Pulse system. Instead of letting recoil stretch out and stack up between rounds, the design shortens that impulse so the energy from one shot does not overlap into the next and pull you off target. What you feel on the range is a flatter, more controllable gun that settles fast, which makes a real difference when you are running double taps or shooting a match stage where every fraction counts.
Material quality is where Lantac earns its reputation. These brakes are machined on Swiss lathes from AISI4140 steel, then hardened to roughly 55Rc and finished with a QPQ nitride treatment. That combination gives you excellent corrosion resistance and a long service life, even under heavy, sustained shooting. Each unit is serial numbered for quality control, and the whole thing is made in the USA.
The brake ships with a timing shim set so you can index it straight without hunting for the right crush washer. Lantac recommends locking it down with a semi-permanent thread locker like Rocksett, which is sold separately. One thing worth knowing up front: the Plan-B mount design is not licensed from Q, so pairing it with a Q suppressor can affect that suppressor's warranty. Follow the HUB shooting guidance from Q or whoever makes your can, and you will be in good shape.
It uses a standard 1/2×28 thread pitch, which is the most common pattern on 9mm barrels for both PCCs and pistols. As long as your barrel is threaded 1/2×28, you are good to go. Always confirm your barrel's thread pitch before ordering.
Yes, this is a Plan-B HUB compatible device, so it doubles as a quick-attach mount for HUB-pattern suppressors. Keep in mind the mount design is not licensed from Q, which can affect a Q suppressor's warranty. Follow the HUB shooting guidance provided by your suppressor manufacturer.
The brake ships with a timing shim set so you can index it straight without needing a separate crush washer. Lantac recommends locking it in place with a semi-permanent thread locker such as Rocksett, which is sold separately. Snug it down and time it so the ports sit where you want them.
This full-length version measures roughly 2.575 inches, while the short version is about 1.75 inches. The longer body gives you a bit more brake to work with for recoil control, while the short one keeps the profile trimmer on compact builds. Both share the same Short Energy Pulse design and Plan-B HUB compatibility.
| UPC | 06143347635650 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | DGN9MMB-PBL |
| Shipping Weight | 0.188 |
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