Comstock Armory 9mm Bore Compact Flash Hider 1/2x28 - Plan B Suppressor Mount

Comstock Armory 9mm Bore Compact Flash Hider 1/2x28 - Plan B Suppressor Mount

The Comstock Armory FHC Compact Flash Hider is built for shooters who demand more than just flash suppression. Designed to redirect expanding gases outward, the FHC not only effectively hides muzzle flash but also significantly reduces blast baffle wear—making it a smart choice for suppressor users who want to extend the life of their gear.

Compatible with popular .900″-24 adapters like the Comstock LPA, Q Plan-B, and Rearden Atlas, this flash hider offers quick suppressor attachment and removal in a compact, no-fuss design. Made from high-strength 17-4 PH stainless steel and finished in durable black nitride, it’s rotationally symmetric and requires no timing or shims—just install and go.

Whether you're running 5.56, .223, or up to 9mm including 350 Legend, the FHC delivers performance, protection, and simplicity in one sleek package.

Suppressor Compatibility
Works with .900″-24 adapters including Comstock LPA, Q Plan-B, and Rearden Atlas.

Blast Baffle Protection
Redirects expanding gases outward to reduce suppressor wear.

Effective Flash Suppression
Minimizes muzzle flash for improved visibility and stealth.

No Timing Required
Rotationally symmetric design eliminates the need for shims or clocking.

High-Strength Build
Crafted from 17-4 PH stainless steel for long-lasting durability.

Black Nitride Finish
Corrosion-resistant and sleek for tactical aesthetics.

Easy Installation
3/4" wrench flats for quick and secure mounting.

Compact Profile
Adds only ~0.9" to muzzle length with a total length of 1.6".

Wide Caliber Support
Compatible with bullets up to 9mm, including 350 Legend.

Specifications

• Material: 17-4 PH stainless steel
• Finish: Black nitride
• Thread Pattern: 1/2-28 for common rifle barrels
• Suppressor Adapter Compatibility: .900″-24 (Comstock LPA, Q Plan-B, Rearden Atlas)
• Wrench Flats: 3/4" for easy installation
• Length: 1.6" overall (~0.9" added to muzzle)
• Weight: 1.7 ounces
• Design: Rotationally symmetric, no timing required
• Caliber Compatibility: Up to 9mm (includes 350 Legend)