Description
| Manufacturer | HUXWRX Safety Co. |
|---|---|
| SKU | M2159 |
| Caliber Compatibility | 5.56 NATO |
| Material | 17-4 Heat Treated Stainless Steel |
| Finish / Coating | PRISM² |
| Dimensions | 5.5″ Length / 1.6″ Diameter |
| Weight | 12.9 oz (366g) |
| Mount Compatibility | M3726 (1/2×28), M1677 (1/2×28) |
Balanced Performance for Standard Duty Cycles The FLOW 556k is engineered for professional operators who prioritize weight savings and weapon handling without sacrificing suppression efficacy. Constructed from 17-4 heat-treated stainless steel, this unit provides the ideal strength-to-weight ratio for daily patrol, training, and standard operational engagements. The PRISM² coating ensures the unit is resistant to corrosion and harsh environmental exposure, maintaining its structural integrity and appearance over long-term deployment.
The Flow-Through Advantage Unlike legacy baffle-stack suppressors that trap gas within the firing chamber—leading to increased backpressure, high-velocity gas blowback, and premature internal wear—the FLOW 556k utilizes a helical geometry that directs gas forward and away from the operator.
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Operator Health: By forcing toxic gases forward through the muzzle, operator exposure is drastically reduced, ensuring a safer training and duty environment.
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Weapon Longevity: Maintaining factory cyclic rates minimizes the impact on internal components, extending the service life of your fleet of patrol or carbine rifles.
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Signature Reduction: This system delivers effective flash and sound mitigation while preserving the point of aim/point of impact, ensuring precision across standard training evolutions.
Procurement & Compliance PAI Defense manages the entire logistics chain for tactical equipment, ensuring all hardware is sourced directly from manufacturers and meets the rigorous standards required by federal and municipal agencies. We provide the technical documentation, compliance support, and streamlined acquisition processes necessary for rapid fielding.





