HUXWRXFLOW 556K
5.56mm / .223 suppressor · Proprietary HUXWRX QD interface · specs and compatibility from the manufacturer and independent testers
Notable features
- Low Backpressure
- PEW Science Reviewed
- TBAC Summit Tested
- Full-Auto Rated
Where to buy
Prices update nightly
Guns.com
Shop links go to retailer sites; we may earn a commission. Prices shown as of our last check and may differ at checkout.
length
5.5″
weight
12.9oz
MSRP
$1,306
length
5.5″
weight
12.9oz
calibers
5.56
material
Steel
interface
Proprietary HUXWRX QD
MSRP
$1,306
Photos
Image: HUXWRX
- Overall length
- 5.5″
- Diameter
- 1.6″
- Weight
- 12.9 oz
- Material
- 17-4 Stainless Steel
- Finish / treatment
- Cerakote C-Series
- Max caliber
- 5.56mm / .223
- Base interface
- Proprietary HUXWRX QD
- Front cap
- none
- Backpressure
- Low
- Full-auto rated
- Yes
- MSRP
- $1,306
- Class
- 5.56mm / .223
- n
- 325
- Range
- $199–$1,955
- Median
- $900
Pricier than most 5.56mm / .223 suppressors
MSRP compared against the 325 5.56mm / .223 suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Prices are manufacturer's suggested retail (MSRP). What you pay may differ.
- Base interface
- Proprietary HUXWRX QD
- Front cap
- none
This suppressor's Proprietary HUXWRX QD takes no separate mount. 22 muzzle devices in our catalog attach to it directly.
Which ones fit your barrel and host?
Check in the BuilderThe Thunder Beast Silencer Summit fires every suppressor entered on the same gun, with the same equipment. FLOW 556K was measured in 2 tests. Figures can only be compared with others from the same test, so each one links to everything else fired on that gun.
Gas-operated rifles and carbines
Measurements published by Thunder Beast Arms Corp. How to read these
Measured sound results are in the Sound tests section above.
PEW Science · independent test
This suppressor has been independently sound-tested by PEW Science.
Manufacturer claim
- Achieves an average of 143 dB at the shooter's ear, representing an 18 dB reduction.
- Features patented Flow-Through and Torque Lock technology designed to reduce signature without negatively impacting cycling or service life.
- DMLS printed in 17-4 Stainless Steel using a unique Flow-Through helical coil and core deflector design.
- Integrated flash cap geometry effectively mitigates flash as part of its overall signature reduction functionality.
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- Finished in C-Series Cerakote in black.
- Utilizes patent pending FLOW technology for superior toxic fume exposure mitigation, flash reduction, sound reduction, recoil reduction, accuracy, and repeatability.
- An innovative multi-caliber suppressor with patented and proven Flow-Through® and Torque Lock® technology.
- It is designed to reduce signature without negatively impacting cycling or service life.
- It delivers superior toxic fume exposure mitigation, flash reduction, sound reduction, recoil reduction, accuracy, and repeatability by its unique Flow-Through® helical coil and core deflector design.
- Detailed cleaning should be performed every 2,500 rounds.
- Length added to barrel: 4.9in / 12.4cm.
- Constructed from 17-4PH Stainless Steel, chosen for durability and suitability for DMLS printing.
- The FLOW 556k is DMLS printed in 17-4 Stainless.
- Full-auto rated with a service life threshold of 10,000 rounds and an objective of 20,000 rounds.
- Passes a minimum of 6 SOCOM Reliability Stress Test Cycles.
- Passes 6 cycles of the SOCOM Reliability Stress Test (1 cycle = 8x30 round magazines).
- Compatible with 5.56, 17 HMR, and 5.7 platforms, making it a multi-caliber suppressor.
- Does not come with a flash hider or mount included.
- Listed MSRP pricing is for the kit that includes one (1) FLOW 556k and one (1) Flash Hider QD 556 1/2x28
- Rated calibers: 5.56, .223, 17 HMR, 5.7, 22 LR, 5.45.
- Barrel length: no restrictions.