Home / Rifle / SIG SAUER MCX-R REGULATOR 5.56 FDE 16″ 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 ULTRALITE 30-06 CARBON $1,69900 $1,54012 Sale! Savage Arms 110 APEX HUNT XP 270WSM 24″PKG $72900 $67749 Sale! Savage Arms AXIS 350LEG MOBUC 18″ PKG $52900 $49707 Christensen Arms MESA LR 6.5CR TUNG/BLK 26″ $1,64999