Home / NFA - Silencer / CGS Group CGS HELIOS DT 5.56 SILENCER You cannot add "Gemtech GMT-300 300BLK SILENCER BLACK" to the cart because the product is out of stock. Sale! CGS Group CGS HELIOS DT 5.56 SILENCER$1,12900 $95650 Out of stock SKU: CGS-HELIOS556-DT Category: NFA - Silencer Product ID: 30540 Description Description Related products Sale! Gemtech INTEGRA 15-22 SUPPRESSED URG $65400 $64197 Sale! FN RUSH 9TI 9MM SILENCER BLACK $84900 $73355 Sale! Gemtech MIST-22V SW22 SUPPRESSED BBL $49000 $48410 Sale! FN CATCH 22 TI 22LR SILENCER BLK $49900 $47084