Chaos Gear Supply CGS SCI-SIX 5.56 Suppressor | 5.90″

The CGS SCI-SIX is a purpose-built suppressor for the .223 Rem/5.56 NATO family of cartridges. It focuses on gas, flash, and sound mitigation while minimizing added length and weight to the host firearm. The design emphasizes low backpressure to preserve cycling reliability and to limit point-of-impact shift. Its compact dimensions and materials selection suit shooters prioritizing a light, low-profile 5.56 suppressor for range training and precision/target shooting.

Product Specifications

• The UPC is 850002123432.
• The ATF Manufacturer is listed as CGS Suppressors LLC.
• The model is SCI-SIX.
• The ATF Model name is SCI Six.
• The ATF Type is Silencer.
• The caliber is listed as .223 REM/5.56 NATO.
• The overall length is 5.90″.
• The diameter is 1.68″.
• The listed weight is 17 oz..
• The material is specified as 718 Inconel.
• The finish is described as Black.
• The suppressor can be disassembled: True.
• The NFA attachment method is Quick Detachable.
• The NFA thread pattern is 1/2×28.
• Additional features include DMLS 3d Printed Body and Mount Included.

Compact, corrosion-resistant materials and a quick-detach mounting system make the SCI-SIX a practical option for shooters who need a small, efficient 5.56 suppressor without a significant increase in overall length or mass. Its design aims to reduce backpressure and muzzle flash while maintaining reliable cycling on compatible hosts.

Users commonly praise the SCI-SIX for its compact footprint and effective reduction of perceived sound and felt impulse, noting the balance of light weight and durable construction as strong points.