CGS Group | STI Six 5.56MM Titanium Silencer

The CGS Group STI Six is a titanium NFA silencer configured for .223 Rem / 5.56 NATO platforms. It uses a DMLS 3D-printed titanium body and ships with a mount for quick-detachable attachment. The unit can be disassembled for maintenance and has a compact overall length of 6.5″ as provided by the manufacturer. This design is intended for range use and precision shooting applications.

Product Specifications

• The ATF manufacturer is CGS.
• The ATF model is STI Six.
• The ATF type is Silencer.
• The product type is NFA – Silencer.
• The caliber/gauge is .223 REM/5.56 NATO.
• The NFA Form 3 caliber is .223 REM/5.56 NATO.
• The NFA thread pattern is 1/2×28.
• The NFA attachment method is Quick Detachable.
• The material is Titanium.
• The baffle type is Titanium.
• The finish is Black.
• The overall length is 6.5″.
• The weight is 1.0.
• Can be disassembled for maintenance: True.
• The UPC is 850002123548.

This suppressor pairs a lightweight titanium construction with a short profile and a quick-detach mounting solution. The DMLS 3D-printed body and serviceable design make it suitable for shooters who prioritize durability, low mass, and maintainability in range and precision contexts. The included mount and disassembly capability simplify installation and field maintenance while keeping the unit compact for use on compatible .223/5.56 platforms.