Home / NFA - Silencer / SIG SAUER SLX556 5.56 QD SILENCER 1/2X28 You cannot add "Gemtech GMT-300 300BLK SILENCER BLACK" to the cart because the product is out of stock. Sale! SIG SAUER SLX556 5.56 QD SILENCER 1/2X28$1,54999 $1,42106 Out of stock SKU: SLX556-QD Category: NFA - Silencer Product ID: 25805 Description Description Clutch Lock Mounting SystemFlash Reducing End CapMonolithic Core (Inconel) Related products Sale! Gemtech INTEGRA 15-22 SUPPRESSED URG $65400 $64197 Sale! FN RUSH 9TI 9MM SILENCER BLACK $84900 $73355 Sale! FN CATCH 22 TI 22LR SILENCER FDE $49900 $47084 Sale! FN CATCH 22 TI 22LR SILENCER BLK $49900 $47084