FAXON MINIMALIST STAINLESS STEEL PLAN B MOUNT — 5/8x24

Ultra-compact, low-profile Plan B compatible mount with rugged stainless construction. The Faxon Minimalist Stainless Steel Plan B Mount (FF-MD-PB-NUB-02) 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: 5/8x24 (common for .308-class and larger barrels)
• Suppressor Interface Thread: 29/32-24 UNEF-2A (Plan B style; mates directly to Plan B-compatible suppressors)
• Caliber: .338" bore (recommended for .338 caliber and smaller)
• 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

Quick Installation Summary

Always follow safe firearms handling practices. Ensure the firearm is unloaded before installation.

1. Thread the Plan B mount fully onto the barrel until it contacts the shoulder.
2. Rotate until the flats are roughly in the desired orientation.
3. Using a wrench on the flats, tighten the mount to the manufacturer-recommended torque value.
4. Verify alignment and check point of impact after installation.
5. Attach your Plan B-compatible suppressor directly to the 29/32-24 UNEF-2A interface per manufacturer instructions.

FAQ

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.