FAXON MINIMALIST STAINLESS STEEL PLAN B MOUNT 1/2X28 - .250" BORE
Faxon
FAXON MINIMALIST STAINLESS STEEL PLAN B MOUNT — 1/2x28
Ultra-compact, low-profile Plan B compatible mount with rugged stainless construction. The Faxon Minimalist Stainless Steel Plan B Mount (FF-MD-PB-NUB-01) is precision-machined from 17-4 PH stainless (H1025) to provide an extremely short, lightweight direct-thread interface that mates directly to Plan B 29/32-24 UNEF-2A threaded suppressors, delivering flawless concentricity and reliable performance in demanding applications.
Key Features & Highlights
- Muzzle Thread: 1/2x28 UNEF (common AR-style muzzle thread)
- Suppressor Interface Thread: 29/32-24 UNEF-2A (Plan B style; mates directly to Plan B-compatible suppressors and mounts)
- Caliber: .250" bore (optimized for .223/5.56 and similar applications)
- Material: 17-4 PH Stainless Steel (H1025 heat treat)
- Finish: Nitride
- Includes: Minimalist Plan B Mount, installation instructions
- Origin: Designed and manufactured in the USA by Faxon Firearms
Why Choose the Faxon Minimalist Plan B Mount?
Engineered for shooters who demand the absolute shortest possible suppressor mount without sacrificing reliability, precision, or compatibility. The ultra-low-profile design minimizes added length and weight while delivering rock-solid lockup and perfect alignment for Plan B-compatible suppressors.
Performance & Benefits
- Ultra-minimal length: Extremely short design adds minimal overall length to your suppressed setup.
- Lightweight: Reduces front-end weight for improved handling and balance.
- High durability: 17-4 PH stainless steel with nitride finish withstands heavy use, heat, and repeated mounting cycles.
- Plan B compatibility: Interfaces directly with 29/32-24 UNEF-2A Plan B threaded suppressors. For 1.375-24 HUB suppressors (such as Faxon HARMONIX® & CORESYNC®), use the appropriate FF-MD-SIL-HUB-PB-01 or FF-MD-SIL-HUB-PB-02 adapter.
Technical Specifications
| Part Number | FF-MD-PB-NUB-01 |
|---|---|
| Material | 17-4 PH Stainless Steel (H1025) |
| Muzzle Thread | 1/2x28 UNEF |
| Suppressor Interface Thread | 29/32-24 UNEF-2A (Plan B style) |
| Caliber / Bore | .250" (for .223/5.56 and similar) |
| Finish | Nitride |
| Included | Minimalist Plan B Mount, Installation Instructions |
| Manufacturer | Faxon Firearms — Made in USA |
Quick Installation Summary
Always follow safe firearms handling practices. Ensure the firearm is unloaded before installation.
- Thread the Plan B mount fully onto the barrel until it contacts the shoulder.
- Rotate until the flats are roughly in the desired orientation.
- Using a wrench on the flats, tighten the mount to the manufacturer-recommended torque value.
- Verify alignment and check point of impact after installation.
- Attach your Plan B-compatible suppressor directly to the 29/32-24 UNEF-2A interface per manufacturer instructions.
FAQ
Can I use this with a HUB-mount suppressor?
Will this change my point of impact?
Where can I get help or technical support?
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 do not cover their warranties when third-party adapters or mounting systems are used. Check your suppressor manufacturer’s compatibility and warranty terms 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 trademarks are the property of their respective owners.