HUXWRX Flow 556K 5.56 NATO Flow-Through Suppressor (FDE) - 2159
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Goes to a Class 3 dealer
Needs an ATF Form 4, a $200 tax stamp and an approval wait. The dealer's fee is on top.
HUXWRX
Overview
The HUXWRX Flow 556K is a 5.56 NATO suppressor designed for optimal performance in reducing muzzle rise and improving accuracy. Its flow-through design minimizes back pressure, enhancing the functioning of your gas-operated rifle while maintaining a compact profile. This suppressor is commonly found in builds focused on precision shooting or tactical applications, where reduced noise and recoil are essential.
Specifications
August 2026 on GunPartPicker
HUXWRX Flow 556K 5.56 NATO Flow-Through Suppressor (FDE) - 2159 ranked #11 of the 179 suppressors builders added on GunPartPicker in August 2026, behind the Rugged RADIANT762 7.62 QD Rifle Suppressor - Black - RAD01762, with about 2% of all suppressors added to builds. Down from #9 in July. Builds with this suppressor are nearly all chambered in 5.56 NATO, mostly on carbine-length gas (80%, then mid-length 20%), and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 2 of the 4 retailers we track have it in stock. It dipped to $722.99 at GritR Sports for a stretch in August 2026, well under its usual $945.99 to $1,054, so sales do come around. Buying today, the lowest price is $931.99 at GritR Sports, above August's low of $722.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all 4 →Builds in the community that include the HUXWRX Flow 556K 5.56 NATO Flow-Through Suppressor (FDE) - 2159
| Build | Parts | Total |
|---|---|---|
 | 27 | $7975.31 |
 | 14 | $3195.34 |
 | 12 | $2275.97 |
 | 37 | $18668.09 |
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