Flow Streamer
The Silent Steel Gen 3 Flow Streamer is a full-size, high-performance flow-through suppressor designed for demanding use on modern semi-automatic and automatic firearms. Its larger size provides enhanced sound and flash suppression while maintaining the excellent flow characteristics of the Silent Steel Flow platform.
The advanced high-flow design allows combustion gases to move efficiently through the suppressor, significantly reducing back pressure compared to traditional baffle suppressors. This results in less gas directed back toward the shooter, reduced stress on the firearm’s operating system, and more consistent weapon operation.
Compared to the more compact models in the Flow Streamer family, the full-size Streamer provides increased sound suppression and excellent flash reduction. These advantages are particularly noticeable on 7.62 NATO platforms, where the additional suppressor volume and optimized Flow Module provide strong performance while maintaining low back pressure.
The Streamer also features efficient heat management. Its optimized internal gas flow helps distribute and dissipate heat efficiently, allowing the suppressor to run cooler than many conventional suppressor designs during comparable firing cycles.
Unlike many sealed suppressors, the Streamer is fully serviceable and designed for long-term use. The suppressor can be disassembled for inspection and cleaning, and the internal Flow Module is replaceable as a spare part. This modular construction extends the service life of the suppressor and allows the critical internal component to be replaced without replacing the complete suppressor.
The modular design also makes the Streamer upgradeable to the latest Silent Steel technology. A standard suppressor body can be updated simply by replacing the existing Flow Module with the latest-generation Flow Module. As the serial number is permanently marked on the suppressor body, the serialized component remains unchanged when the suppressor is upgraded. This allows users to benefit from future Flow Module developments while retaining the original suppressor body and serial number.
Technical Specifications:
Length: 195 mm
(added length when using QD: 138 mm)
Diameter: 42 mm
Weight (QD): 420 g (aluminum body + flow suppression unit) 580 g (stainless steel body + flow suppression unit).
QDB Boltlok added weight 20g.
QDL Lock mount added weight 70g.
Finishing: Aluminum body – Black anodized. Stainless Steel body – Cerakote (Magpul FDE,
Magpul OD Green, Armor Black)
Calibers available: Flow unit 4.6mm, 5.56mm, 7.62mm and 9.00mm.
Suppressor is delivered with disassembly tool (Front Cap Wrench, FCK).
*Aluminum body is recommended only for 9.00mm PCC carbines and single shot rifles.
Key Features:
Full-size high-flow suppressor
High-flow, low-back-pressure design
Enhanced sound suppression
Excellent flash suppression
Optimized performance for 7.62 NATO platforms
Reduced gas blowback toward the shooter
Reliable firearm operation
Efficient heat management
Fully disassemblable and serviceable construction
Replaceable Flow Module
Upgradeable with future-generation Flow Modules
Serialized suppressor body remains unchanged during module upgrades
Designed for demanding professional use
Patented 2022
Measured sound pressures** (LCPeak) next to shooter’s left ear:
AR15, 5.56 Nato ball, 16″ barrel 135,9 dB.
AR15, 300BLK supersonic, 13″ barrel, 136 dB
AR15, 300BLK subsonic, 13″ barrel, 127 dB
Remington 700, 308 Win, 24” barrel, 132 dB
Heckler & Koch MR308, 16” barrel, 138 dB
H&K MP5, -22dB
Silent Steel suppressors are available with various mounting options. See the available options on the mounting options page:
Minimal and repeatable point of impact change. Streamer’s use direct thread mount with taper lock. This design is least affected with POI shift because the suppressor indexes at the same point when mounted and remounted every time. Streamer’s design inside the suppressor is symmetrical. The bullet travelling through the suppressor is affected by gas pressure symmetrically from all directions which keeps the bullet trajectory always the same. In most cases point of impact shift is 1-4 cm and straight down (100m).
* Caliber and barrel lenght affects the result. See the measured results.
** Measured with Norsonic 131 Class 1 (precision) sound level meter and Gras 1/4″ microphone.
