FAXON STAINLESS STEEL PLAN B TO HUB ADAPTER
Faxon
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Faxon
FAXON STAINLESS STEEL PLAN B TO HUB ADAPTER
FAXON STAINLESS STEEL PLAN B → HUB ADAPTER — 17-4 PH
Convert Plan B muzzle devices to hub-mount suppressors with Faxon’s precision adapter. The Faxon Plan B → Hub Adapter (FF-MD-SIL-HUB-PB-01) is machined from 17-4 PH stainless steel and engineered to provide a repeatable, secure interface from MuzzLok® Plan B Compatible devices, and similar Plan B muzzle devices, to hub-mount suppressors such as Faxon HARMONIX® and CORESYNC®.
Key Features
- Adapter Type: Plan B → Hub Mount Adapter (Standard Plan B Hub Mount)
- Material: 17-4 PH Stainless Steel (H1025)
- Precision Threads: 1.375-24 UNS-2A (primary) & 29/32-24 UNEF-2B (hub)
- Finish: Nitride
- Compatibility: Interfaces Plan B muzzle devices to hub-mount suppressor hubs (ex. HARMONIX® & CORESYNC®)
- Origin: Designed and manufactured in the USA by Faxon Firearms
Why Use the Faxon Plan B → Hub Adapter?
This adapter lets shooters leverage the fast, repeatable timing and secure lockup of MuzzLok® Plan B-style (and similar) muzzle devices while attaching modern hub-mount suppressors. It preserves timing and alignment and provides the robust mechanical connection expected by hub-mount systems.
Benefits
- Repeatable mechanical interface: Maintains timing and alignment between Plan B devices and hub mounts
- Precision thread geometry: Minimizes wobble and ensures concentricity for consistent performance
- Durable construction: 17-4 PH stainless for corrosion resistance and long service life
Technical Specifications
| Part Number | FF-MD-SIL-HUB-PB-01 |
|---|---|
| Material | 17-4 PH Stainless Steel (H1025) |
| Primary Threads | 1.375-24 UNS-2A |
| Secondary Threads / Hub | 29/32-24 UNEF-2B |
| Hex / Grip Flats | 1.031" hex |
| Finish | Nitride |
| Country | Made in USA — Faxon Firearms |
Quick Installation / Use Notes
Always follow safe firearms handling practices. Ensure the firearm is unloaded and safe before installing or removing muzzle devices or adapters.
- Install and time your Plan B muzzle device per the device manufacturer's instructions.
- Thread the Plan B → Hub Adapter onto the Plan B device or timing nut until hand-tight, then torque to adapter/suppressor specs.
- Attach the hub-mount suppressor to the adapter hub according to the suppressor manufacturer's instructions (HARMONIX® / CORESYNC® when applicable).
- Verify concentricity and point-of-impact. Re-time if required for your rifle/suppressor setup.
FAQ
What does the Plan B → Hub Adapter do?
It creates a precision mechanical interface that lets MuzzLok® Plan B Compatible (and similar Plan B-style muzzle devices) connect to hub-mount suppressors while preserving timing and alignment.
What material is the adapter made from?
17-4 PH stainless steel for strength, durability, and corrosion resistance.
What threads does it use?
Primary: 1.375-24 UNS-2A (Plan B side). Hub: 29/32-24 UNEF-2B.
Any special installation torque?
Follow the adapter and suppressor manufacturer's torque and installation instructions.
Where can I get help?
Contact Faxon Firearms Customer Service at customerservice@faxonfirearms.com.
Notice: MuzzLok® is a Faxon Firearms trademark.
Disclaimer: Faxon Firearms components are designed for compatibility with industry-standard Plan B-style and 1.375-24 UNS (HUB) mounting interfaces. Always confirm dimensions and fitment before installation as tolerances may vary between manufacturers. Some suppressor manufacturers may not honor their warranty when third-party adapters or mounting systems are used. Verify compatibility and warranty terms with your suppressor manufacturer before installation or use.
Trademark attribution: “Plan B” is a trademark of Q, LLC. Faxon Firearms is not affiliated with, endorsed by, or sponsored by Q, LLC. All other trademarks are the property of their respective owners.
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