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Anyone running a suppressor on an MP5 clone or SP5 knows the M13.5x1LH thread pattern can limit your mounting options. The Dead Air Xeno Pistol Wee Brake solves that by putting a proper Xeno taper mount on your muzzle, so any Dead Air can wearing a Xeno Adapter, whether that's a Wolfman, Ghost, Primal, Nomad, or Sierra 5, spins on and locks up in seconds. No timing, no shims, no crush washers. Just thread it on and go.
The Wee part of the name is the whole point. Dead Air kept this device short on purpose so it barely reaches into the suppressor's blast chamber. That matters more than most people realize, since less intrusion means better sound performance and compatibility with the growing number of cans built around smaller blast chambers. At 1.92 ounces, it adds almost nothing to the front of your gun, and when the can comes off, the brake left behind still gives you a bit of recoil mitigation on its own. The bore accommodates projectiles up to .36 caliber, so it handles 9mm with room to spare.
The material choice here is worth calling out. Dead Air machines the Wee Brake from 4140 HT alloy steel with a black nitride finish, which gives you hardness and corrosion resistance without the thread galling problems that plague uncoated stainless mounts. Galled threads inside a suppressor are an expensive headache, and this design sidesteps the issue entirely. The large taper is what makes the magic happen: it seats the same way every single time, so your point of impact stays put no matter how many times you pull the can off and put it back on.
Pair it with the correct Xeno Adapter for your suppressor and you have one of the simplest, most repeatable QD setups on the market. For subgun and pistol-caliber carbine owners who want their suppressor to behave like it's pinned in place, this little mount delivers.
It works with any Dead Air suppressor set up with a Xeno Adapter, including the Wolfman, Ghost, Primal, Nomad, and Sierra 5. The brake stays on your muzzle and the can locks onto the taper mount, so you can move one suppressor between multiple hosts. Just make sure you have the correct Xeno Adapter for your specific can.
No, and that is one of its best features. The taper mount design means there is no need for shims, crush washers, or indexing the brake to a specific position. Thread it onto your barrel, torque it down, and you are ready to mount your suppressor.
M13.5×1 left-hand is the classic HK thread pattern found on the MP5, SP5, and most MP5 clones with threaded three-lug barrels removed or tri-lug alternatives. If your 9mm host has this metric left-hand thread, the DA135 version of the Wee Brake is the one you want. Dead Air also makes 1/2×28 and 5/8×24 versions for other barrels.
Yes, that is the whole point of the Xeno system. The large taper indexes the suppressor in the exact same position every time it goes on, giving you a consistent return to zero. The nitrided 4140 steel construction also resists thread galling better than uncoated stainless mounts, which keeps the lockup smooth over the long haul.
| UPC | 810128160728 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | DA135 |
| Caliber/Gauge | 9mm |
| Color | Black |
| Model | |
| Product Type | Brake |
| Shipping Weight | 0.15 |
| Thread Pattern | M13.5x1LH |
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