Faxon Muzzlok® Stainless Steel Plan B Flash Hider | 1/2×28 | .250″ Bore
Exceptional Flash Reduction with Suppressor-Ready Convenience
The Faxon MuzzLok® Stainless Steel Plan B Flash Hider delivers effective muzzle flash suppression and quick-mount suppressor capability in one streamlined design. Built entirely in the U.S.A., this device combines Faxon’s premium machining, stainless-steel strength, and patented MuzzLok® system for tool-free installation and repeatable alignment. The 1/2×28 thread pattern and .250″ bore make it ideal for .223 Wylde, .223 Remington, and 5.56 NATO barrels.
MuzzLok® Technology – No Shims, No Crush Washers
Faxon’s patented MuzzLok® system allows simple hand-tight installation with precise timing—no need for shims or crush washers. Once positioned, the locking collar secures the device firmly, ensuring perfect alignment and consistent suppressor fit. This system eliminates installation guesswork and provides repeatable performance after every cleaning or configuration change.
Plan B Suppressor Compatibility
Engineered for seamless compatibility with Plan B-style QD suppressor mounts, this flash hider features a precision taper interface for secure, concentric lockup. It allows fast suppressor attachment and removal with minimal point-of-impact shift, making it an excellent choice for duty, range, or tactical builds where reliability and speed matter.
Premium Stainless Steel Construction
Each Faxon flash hider is machined from stainless steel and treated with a QPQ nitride finish for extreme durability and corrosion resistance. The smooth internal bore and polished surfaces promote easy cleaning and consistent gas flow, ensuring stable performance under high-volume shooting conditions.
Faxon MuzzLok® Stainless Steel Plan B Flash Hider Specifications
- Caliber Compatibility: .223 Rem / .223 Wylde / 5.56 NATO
- Thread: 1/2×28 TPI
- Bore Diameter: .250″
- Material: Stainless Steel
- Finish: QPQ Nitride
- Mount Type: Faxon MuzzLok® System (No Shims or Crush Washers)
- Suppressor Compatibility: Plan B-Style QD Mounts
- Length: 2.33″
- Weight: 2.9 oz
- Manufactured In: Cincinnati, Ohio, U.S.A.
Why Choose Faxon MuzzLok® from Arm or Ally
Arm or Ally is an authorized Faxon Firearms dealer, offering genuine MuzzLok® muzzle devices sourced directly from Faxon’s U.S. production facility. Every unit is inspected for concentricity, thread precision, and finish quality to ensure suppressor-ready performance. Whether you’re optimizing your AR-15 for home defense, tactical use, or range precision, the Faxon MuzzLok® Stainless Steel Plan B Flash Hider delivers unmatched reliability and innovation.
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Product Information
| Finish | QPQ Nitride |
|---|---|
| Made in USA | Yes |
| Platform | AR15 |
| Manufacturer | Faxon |
| Caliber | 223 Rem, 223 Wylde, 5.56 NATO |
| Muzzle Thread | 1/2×28 |
| Material | Steel |
| Weight | 2.9oz |



















