Rearden FHD Flash Hider | 1/2-28 | .375 Cal | 10001

The Rearden FHD flash hider is a muzzle device designed for use with 1/2-28 threaded barrels and built from heat-treated 17-4 PH (H900) stainless steel with a nitride finish. It is intended to reduce visible muzzle flash and provide a durable mounting surface for compatible suppressor interfaces and accessories. This version is Plan B style and lists Atlas/Atlas XL compatibility; shims are not included and the device features larger rear wrench flats compared to earlier revisions.

Product Specifications

• The manufacturer is Rearden Manufacturing.
• The model is FHD.
• The part number is 10001.
• The product type is a Flash Hider.
• The threads are 1/2-28.
• The fit is 1/2X28.
• The caliber/gauge listed is .375 Caliber.
• The material is 17-4 PH H900 stainless steel.
• The finish is Nitride.
• The color is Black.
• The item is noted as ATLAS/ATLAS XL compatible.
• The product notes that shims are not included.
• The overall dimensions are 1.20 x 3.85 x 6.00 inches.
• The height is 1.2000 inches.
• The width is 3.8500 inches.
• The length is 6.0000 inches.
• The UPC is 850035804001.

Use an alignment rod during installation and ensure the device and barrel surfaces are clean before torquing and using Rocksett as recommended by the manufacturer. Note that using this device on a Q style suppressor may void the suppressor’s warranty. This item is listed with restricted shipping to California.

Precision-machined from service-grade 17-4 PH stainless and finished with a durable nitride coat, the FHD provides a robust interface for suppressor mounts and muzzle accessories while minimizing visible flash. Its larger rear wrench flats simplify installation and alignment for users who expect repeatable setup for range maintenance or competition use.