Home / NFA - Silencer / SIG SAUER SLX556 5.56MM SILENCER 1/2X28# You cannot add "Gemtech INTEGRA 5.56MM SUPPRESSED URG" to the cart because the product is out of stock. Sale! SIG SAUER SLX556 5.56MM SILENCER 1/2X28#$1,24999 $1,18179 Out of stock SKU: SLX556 Category: NFA - Silencer Product ID: 32995 Description Description Clutch Lock Mounting SystemFlash Reducing End CapMonolithic Core Related products Sale! FN CATCH 22 TI 22LR SILENCER BLK $49900 $47084 Sale! Gemtech MIST-22V SW22 SUPPRESSED BBL $49000 $48410 Sale! FN CATCH 22 TI 22LR SILENCER FDE $49900 $47084 Sale! Gemtech INTEGRA 15-22 SUPPRESSED URG $65400 $64197