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Hang a suppressor off the end of a tilting-barrel pistol without a booster and you will find out fast why Nielsen devices exist. The added weight keeps the barrel from unlocking properly and the gun starts short-stroking. The Angstadt Arms HUB to 1/2×28 Booster Assembly solves that problem in one complete package. It threads into the rear of any HUB-compatible suppressor using the industry-standard 1.375×24 interface, then mounts straight onto a 1/2×28 threaded pistol barrel, which covers the vast majority of threaded 9mm handguns out there.
This is a full Nielsen device, not just a thread adapter. Inside you get the mount, piston, spring, and O-ring working together to decouple the suppressor's mass from the barrel during the firing cycle. The piston lets the barrel tilt and cycle the way the pistol was designed to, then everything snaps back into battery for the next shot. The result is consistent cycling and reliable function whether you are running a Glock, a threaded M&P, or any other Browning-style action with a 1/2×28 muzzle.
The HUB (Hybrid Universal Base) pattern has become the common language of the suppressor world, and that is what makes this assembly so useful. If your can has a 1.375×24 rear thread, this booster drops right in. That means one suppressor can pull double duty, running fixed-barrel hosts with a direct thread mount one day and your pistol with this booster the next.
Angstadt Arms has built a solid reputation in the 9mm and PCC space, and their suppressor accessories carry that same attention to fit and function. The assembly wears a black finish that blends in with just about any can on the market. If you have been eyeing a suppressed pistol setup, this is the piece that ties the whole thing together.
If your host is a tilting-barrel pistol like a Glock or M&P, you want the booster. The Nielsen device inside allows the barrel to unlock and cycle normally with the suppressor's weight attached. A direct thread adapter is meant for fixed-barrel hosts like rifles, PCCs, and fixed-barrel rimfire pistols.
Any suppressor with the industry-standard 1.375×24 HUB rear thread pattern will accept this assembly. That covers a huge portion of modern centerfire cans from a wide range of manufacturers. Just confirm your suppressor is rated for use on a handgun before mounting it up.
It is complete out of the package. You get the HUB mount, the 1/2×28 piston, the spring, and the O-ring, so there is nothing else to hunt down. Thread it into your can, spin it onto your barrel, and you are ready to shoot.
Most threaded 9mm pistol barrels sold in the US use the 1/2×28 pitch, so odds are good. Check the spec sheet for your specific barrel to be sure, since some 9mm barrels use metric threading like 13.5×1 LH instead. If yours is 1/2×28, this assembly threads right on.
| UPC | 850053228728 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | AAHUBBA228 |
| Color | Black |
| Model | |
| Product Type | Adaptor |
| Shipping Weight | 0.0 |
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