Chaos Gear Supply Helios DT, Suppressor, Titanium, Black Finish, 556NATO, 6.3 Length, Weighs 12.2 oz, Disassembly Tool Included HELIOSDT The HELIOS DT is a short rifle silencer designed specifically for 5.56mm rifles and carbines. The patented Varying Core Diameter technology unique to CGS Suppressors is unlike anything the firearms industry has ever seen before. This unique design allows for peak sound reduction for its size and elimination of the flash signature as well as consistent, minimal and repeatable point of impact shift.