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When it comes to mounting a suppressor, direct thread mounting is about as simple as it gets. There are, however, a couple of different ways a suppressor can use a direct thread mount, and understanding the difference can save you some frustration when you’re trying to get the right suppressor onto the right firearm.
There are two basic types of direct thread setups: an integrated direct thread mount and a hub-style suppressor that uses a separate direct thread mount. While both systems ultimately thread onto the barrel, the way they attach to the suppressor is different.
An integrated direct thread mount is exactly what it sounds like. The threaded portion is built directly into the suppressor body rather than being a separate component. This setup is common on some 3D-printed suppressors, including models such as the Offgrid Scorpius and other Offgrid designs.
The advantage here is simplicity. There is no separate mounting device to install in the suppressor. You simply need to make sure the suppressor's thread pitch matches the thread pitch on the firearm's barrel. Once you have a match, the suppressor threads directly onto the firearm.
For rimfire firearms, including many .22 rifles and pistols, 1/2×28 is a very common thread pitch. That makes a 1/2×28 direct-thread suppressor a straightforward option for many rimfire applications. However, it is always important to verify the actual barrel specifications rather than assuming every firearm uses the same thread pattern.
Hub-style suppressors take a more modular approach. Instead of having the direct thread mount permanently built into the suppressor, the suppressor has a standardized hub that accepts a separate mounting system.
That means you can install a direct thread mount into the hub and then select a mount with the appropriate thread pitch for the firearm you are using. Some manufacturers use proprietary installation tools for their mounts, while others incorporate wrench flats that make installation relatively simple with the appropriate wrench.
Once the direct thread mount is installed in the suppressor's hub, the mounting system functions much like an integrated direct thread suppressor. The mount threads onto the firearm's barrel, provided the thread pitch matches.
The big advantage of a hub system is flexibility. If you have a suppressor with a 5/8×24 direct thread mount installed but want to use that same suppressor on a firearm with 1/2×28 threads, you can replace the mount with the appropriate 1/2×28 version. Instead of needing a completely different suppressor, you can change the mounting system to match the firearm.
Regardless of which type of direct thread system you're dealing with, thread pitch is the key to making everything work correctly. The threads on the suppressor mount must match the threads on the firearm's barrel. Check your firearm's owner's manual for the thread pitch. If you don't have a threaded barrel, you can have it done with our service.
A lot of rimfire firearms use 1/2×28 threads, while larger-caliber rifles commonly use other thread pitches, including 5/8×24. There are plenty of exceptions, though, which is why checking the firearm and suppressor manufacturer's specifications before installation is important.
If the thread pitches don't match, the suppressor should not be forced onto the barrel. With a hub-style suppressor, the solution may simply be changing to a direct thread mount with the correct thread pitch. Depending on the firearm and suppressor combination, an appropriate adapter may also be an option. The other option is to use a thread adapter.
Direct thread mounting is relatively straightforward, but that doesn't mean installation should be taken casually. Before installing a suppressor, make sure the mount and barrel have compatible threads and that the mounting surfaces are clean and free of debris.
For many direct thread setups, the suppressor or mount is installed by hand until it is snug. Hub-style systems may require a manufacturer-supplied tool or an appropriate wrench to properly secure the mount in the suppressor. Follow the manufacturer's instructions for the specific suppressor and mounting system rather than assuming every design installs the same way.
Once installed, the suppressor should be properly seated and aligned with the firearm. If there is any question about compatibility, thread specifications, or mounting, check the manufacturer's documentation before proceeding.
There is a reason direct thread mounting remains popular. It is simple, relatively lightweight, and eliminates some of the additional hardware associated with quick-detach mounting systems.
Integrated direct thread suppressors are about as straightforward as you can get, but they sacrifice some flexibility because the mounting thread pattern is fixed. Hub suppressors, on the other hand, offer considerably more versatility because the direct thread mount can be changed to accommodate different firearms.
For someone who owns multiple firearms with different barrel thread pitches, that modularity can be a significant advantage. One suppressor can potentially serve multiple firearms simply by changing the appropriate mounting component.
The bottom line is simple: know your thread pitch before you buy or install a direct thread suppressor. Whether the mount is built into the suppressor or installed separately into a hub, matching the suppressor mount to the firearm's barrel is the critical first step. Get that part right, follow the manufacturer's installation instructions, and direct thread mounting is one of the simplest ways to get a suppressor mounted and ready for use.
It is now easier than it ever has been to buy the suppressor you've always wanted. Silencer Central has over 20 years of experience and we are the foremost authority in getting you your suppressor in the easiest way possible.
About Direct Thread Mounting
Most firearms sold in the U.S. that come with a threaded barrel usually come with either a 5/8x24 pitch, or a 1/2x28 pitch. There are some oddball ones out there, too. The best way is to check your owner's manual. If you don't have one, you can usually find them online.
The answer is that it is simple, relatively lightweight, and eliminates some of the additional hardware associated with quick-detach mounting systems. Many of the lighter-weight cans are direct thread to save weight.
The easy answer is to use thread adapters. These accessories will allow you to use your DT can on multiple firearms. Find thread adapters here.
