CGS Group SCI-SIX 5.56 NATO Suppressor

Manufactured by CGS Group
Manufactured by CGS Group
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Orders of non-FFL items will ship same day if ordered before 3:30pm CST (M-F). FFL orders will ship within 5 business days if transfer details are provided.

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Items that are regulated by the ATF and NFA have restrictions and requirements: •Your Entire Order will ship only to a Federal Firearm License holder •NFA restricted items require class 3 licensing and documentation •A copy of your order/invoice as well as the current FFL License for your local dealer must be emailed to ffl@primaryarms.



The CGS Group SCI-SIX is a 5.56 NATO centerfire rifle suppressor, suitable for both semi-automatic and automatic firearms for sound and flash mitigation. Constructed from high-performance 718 Inconel using DMLS 3D printing, the SCI-SIX delivers exceptional sound suppression, heat resistance, and lasting reliability. It includes the SCI-SIX flash hider mount with 1/2x28 threads for a secure and reliable connection to your weapon.


  • For 5.56x45mm weapons
  • No barrel length restrictions
  • Includes SCI-SIX flash hider mount (1/2x28)
  • 718 Inconel construction
  • Diameter: 1.64”
  • Length: 6.5”
  • Weight (with flash hider): 19.6 oz
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Baffle MaterialInconel 718
Baffle Style3D Printed
BrandCGS Group
Caliber Gauge5.56 NATO
Diameter1.64 in
Length1.64 in
Suppressor MountCGS Taper Mount
Thread Pattern1/2 X 28
User ServiceableUser Serviceable
Weight19.6 oz
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

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