Home / NFA - Silencer / SIG SAUER MCX-SURG UPGRADE KIT 5.56 FDE Sale! SIG SAUER MCX-SURG UPGRADE KIT 5.56 FDE$4,59999 Original price was: $4,59999.$4,39414Current price is: $4,39414. In stock SIG SAUER MCX-SURG UPGRADE KIT 5.56 FDE quantity Add to cart SKU: UAMCXA-SURG Category: NFA - Silencer Product ID: 97314 Description Description Direct Thread SuppressorRemovable Cage / HandguardFolding Stock w/Adapter Kit Related products Sale! Gemtech MIST-22V SW22 SUPPRESSED BBL # $49000 Original price was: $49000.$48410Current price is: $48410. Sale! Wilson Combat QUELL TI 9MM SILENCER BLK $1,13995 Original price was: $1,13995.$1,08391Current price is: $1,08391. Sale! SIG SAUER SLX762 7.62 CMPCT QD SILENCER# $1,49999 Original price was: $1,49999.$1,36183Current price is: $1,36183. Sale! B&T APC/GHM9 RQD 9MM SUPPRESSOR $90000 Original price was: $90000.$88540Current price is: $88540.