The RD HUB-DT is a lightweight titanium direct thread adapter compatible with HUB or 1.375x24 threaded suppressors. The HUB-DT allows you to thread your barrel directly into your HUB-compatible suppressor via the appropriate thread pitch—no QD system required. If you’re unfamiliar with HUB suppressors, you can read more about them
here.
The HUB-DT features our patent-pending Castle-Lock™ system, allowing users to install the adapter using standard TDP-spec castle nut notches with a standard armorer’s wrench or with the integrated 1 5/16” wrench flats. It also includes chamfered edges to eliminate snag points.
The HUB-DT is a departure from traditional direct thread adapters. Rather than focusing solely on minimal length, we designed it to allow proper installation into both the suppressor and rifle using common tools—providing a more secure and consistent interface. Despite the added utility, the HUB-DT maintains a low weight thanks to its Grade 5 titanium construction, weighing just 1.41 oz and adding only 0.34” to overall suppressor length while still providing full access to the wrench flats on the device. The HUB-DT is perfectly suited for any Gas Gun, Bolt Gun or your lightweight hunting rifle.
What's included:
1x RD HUB-DT 5/8x24 Direct Thread Adapter
1x 0.5ml Rocksett Tube
Castle-Lock™ – TDP-spec castle nut notches for installation with a standard armorer’s wrench or 1 5/16” wrench flats
Chamfered edges to reduce snag points
Thread Pitch: 5/8x24
HUB / Bravo (1.375x24) suppressor compatible
Adds 0.34” to suppressor length
Weight: 1.41 oz
Material: Grade 5 Titanium
Finish: DLC Coated
Proudly designed and manufactured in the USA
Installation:
*Contact your suppressor manufacturer for specific torque values. Most recommend 20–25 ft/lbs.
Clean all mating surfaces of debris and oils.
Secure the suppressor in a vice.
Apply a small amount of Rocksett to the HUB-DT’s external 1.375x24 threads and torque into the suppressor.
Ensure the rifle or upper is unloaded and secured in a vice.
Apply Rocksett to barrel threads and torque the suppressor (with HUB-DT installed) to 25 +/- 5 ft-lbs using the 1 5/16” wrench flats.
Allow Rocksett to cure for 24 hours before use.
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