Description
Direct thread is still the simplest way to run a suppressor, and this steel adapter from KGM keeps it that way. It threads into any suppressor with a standard 1.375×24 HUB mount and gives you clean 5/8×24 threads on the other end, so your can spins straight onto the muzzle of most .30 caliber and 6.5mm rifles without any extra hardware in between. Fewer parts, fewer things to keep track of, and a lighter wallet compared to buying a full quick detach system you might not need.
Built From Chromoly Steel That Can Take the Heat
KGM machines this adapter from heat treated chromoly steel and coats it with their OXyN gas nitride finish. That combination matters more than it sounds. The nitride treatment hardens the surface and helps the threads resist galling and carbon buildup, which is exactly what you want on a part that lives at the hottest, dirtiest end of your rifle. Steel also brings a little extra durability over titanium for high round count use, and the added weight at the rear of the can is barely noticeable once everything is mounted.
Fits KGM Cans and Any HUB Compatible Suppressor
The 1.375×24 HUB pattern has become the common language of the suppressor world, and this adapter speaks it fluently. It drops right into KGM's own R6, R65, R65K, R30, and R30K, plus just about any other suppressor built around the HUB standard from other manufacturers. If your can shipped with a different mount, swapping to this direct thread setup takes a wrench and a few minutes.
Why Go Direct Thread With Your KGM Adapter
Bolt gun owners especially tend to land here. A precision rifle does not need a quick detach mount, it needs a repeatable, concentric connection that torques down the same way every time. Direct thread delivers that with the least complexity and the least weight penalty. Torque it to spec, check it stays snug during your first range session, and it will quietly do its job for years.
Key Specifications
- Manufacturer: KGM Technologies
- Manufacturer Part Number: A-DTA-S-2
- UPC: 810042342521
- Model: Direct Thread Adapter
- Muzzle Thread Pitch: 5/8×24
- Suppressor Thread Pattern: HUB 1.375×24
- Material: Heat Treated Chromoly Steel
- Finish: OXyN Gas Nitride, Black
- Product Type: Suppressor Mount / Adapter
- Compatibility: KGM R6, R65, R65K, R30, R30K and other HUB compatible suppressors
What’s Included
- KGM 5/8×24 to HUB 1.375×24 Direct Thread Adapter
Frequently Asked Questions
Will the KGM direct thread adapter work with suppressors from other brands?
Yes. It is built on the industry standard 1.375×24 HUB thread pattern, so it fits any HUB compatible suppressor, not just KGM cans. If your suppressor accepts HUB mounts from companies like Dead Air, Rugged, or SilencerCo, this adapter will thread right in.
What calibers is the 5/8×24 thread pitch meant for?
5/8×24 is the standard muzzle thread for most .30 caliber rifles, including .308 Win, 6.5 Creedmoor, .300 Blackout, and similar cartridges. Just confirm your barrel is threaded 5/8×24 and that your suppressor is rated for the cartridge you plan to shoot.
Should I pick the steel version or the titanium version of this adapter?
The steel model is the workhorse choice. Heat treated chromoly with the OXyN nitride finish handles heat and heavy use very well, and the weight difference at the rear of the suppressor is minimal. Titanium makes sense if you are counting every ounce on a hunting rig, but for most rifles the steel version is the practical pick.
Do I need any special tools to install the KGM HUB adapter?
Nothing exotic. The adapter threads into the rear of your HUB suppressor with a standard wrench flat interface, then the whole assembly spins onto your muzzle. Torque it to your suppressor manufacturer's spec and give it a snug check after your first few magazines while everything settles in.





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