Huxwrx Flow 556K Suppressor with Flash Hider Kit - Black

The Huxwrx Flow 556K suppressor with flash hider kit is a modern multi-caliber silencer engineered for shooters who demand effective signature reduction without the cycling penalties that plague older designs. Built from 17-4 stainless steel using DMLS manufacturing and finished in C-Series Cerakote matte black, this suppressor combines proven Flow-Through technology with a torque-lock mounting system to deliver consistent performance across 5.56, .17 HMR, and 5.7x28 platforms.

The design centers on a helical coil and core deflector that work together to reduce sound, flash, fume exposure, and recoil while maintaining shooter accuracy and repeatability. The integrated flash cap geometry actively mitigates muzzle signature as part of the overall suppression package—a meaningful advantage whether you're running a 10.3" shorty or a full-length rifle. At 11.8 ounces and 5.5 inches long, the Flow 556K adds 4.9 inches to your barrel, keeping overall length manageable for handling and storage. Full-auto rated and stress-tested to military reliability standards, it's built to run hard and last.

Sound reduction averages 18 dB at the shooter's ear (approximately 143 dB SPL), and bolt velocity remains within 1% of baseline with the included Flash Hider QD mount—meaning you won't sacrifice reliability for hearing protection. The suppressor has a service life threshold of 10,000 rounds, with an objective of 20,000 rounds when maintained properly. Regular detailed cleaning preserves performance and longevity, so plan to spend a little time on upkeep if you intend to push toward maximum service life.

Key Features

• Multi-caliber compatibility: 5.56, .17 HMR, and 5.7x28
• Flow-Through helical coil design reduces sound, fume exposure, and recoil
• Integrated flash hider geometry for effective muzzle flash mitigation
• Torque-lock mounting for secure, repeatable attachment
• Full-auto rated construction and materials
• Minimal velocity impact (1% from baseline)
• 17-4 stainless steel with DMLS manufacturing for durability
• C-Series Cerakote matte black finish
• Passes minimum 6 SOCOM Reliability Stress Test Cycles
• Includes Flash Hider QD mount

Specifications

Frequently Asked Questions

What calibers does the Flow 556K work on?

The Flow 556K is compatible with 5.56, .17 HMR, and 5.7x28 platforms. It ships with the Flash Hider QD mount.

How much does it reduce sound?

The suppressor delivers an average of 18 dB reduction at the shooter's ear, achieving approximately 143 dB SPL. Actual results vary by rifle configuration, ammunition, and measurement methodology.

Will it slow down my bolt or hurt accuracy?

Testing shows bolt velocity changes by only 1% from baseline when using the included Flash Hider-QD mount (measured on a 10.3" Daniel Defense rifle with XM193 ammunition). The design maintains repeatability for consistent accuracy.

How long will it last?

The suppressor has a service life threshold of 10,000 rounds, with an objective of 20,000 rounds when properly maintained with regular detailed cleaning. It is full-auto rated and passes minimum 6 SOCOM Reliability Stress Test Cycles.