Home / Rifle / SIG SAUER MCX-R REGULATOR 5.56 FDE 16″ View cart You cannot add that amount to the cart — we have 2 in stock and you already have 2 in your cart. SIG SAUER MCX-R REGULATOR 5.56 FDE 16″$3,49999 In stock SIG SAUER MCX-R REGULATOR 5.56 FDE 16" quantity Add to cart SKU: RMCXR-556N-16B-RX2 Category: Rifle Product ID: 107398 Description Description Receiver Integrated ARCA RailSIG 2-Port Muzzle BrakeMCX Upper Receiver Related products Sale! Savage Arms 110 HUNTER 7MM-08 BL/SYN 22″ $87900 Original price was: $87900.$81090Current price is: $81090. Christensen Arms MESA LR 6.5CR TUNG/BLK 26″ $1,64999 Sale! Weatherby MARK V CARBONMARK PRO 6.5CR # $3,19900 Original price was: $3,19900.$2,54162Current price is: $2,54162. Sale! Savage Arms 110 STORM 300WSM SS/SY 24″ DBM $98900 Original price was: $98900.$91763Current price is: $91763.