By Platform

SIG

SIG MCX-SPEAR LT 7.62X39 TAPERED LUG BOLT ASSEMBLY

SIG

SIG MCX-RATTLER LT 6.75-INCH 300BLK BARREL AND GAS BLOCK ASSEMBLY

SIG

SIG MCX-RATTLER LT 7.75-INCH 5.56 NATO BARREL AND GAS BLOCK ASSEMBLY

SIG

MCX VIRTUS PISTON ASSEMBLY, 16IN BARREL - 300BLK

SIG

MCX VIRTUS PISTON ASSEMBLY, 14IN BARREL - 5.56 NATO

SIG

SIG MCX PISTON ASSEMBLY, 11.5 IN BARREL

SIG

SIG MCX EXTRACTOR ASSY, PINS, SPRINGS

SIG

SIG MCX BOLT CATCH, PINS, SPRINGS

SIG

SIG MCX WEDGE KIT

SIG

SIG MCX TAKE DOWN, PINS, SPRINGS

SIG

SIG MCX OPERATING SPRINGS ASSEMBLY

SIG

SIG MCX MAGAZINE RELEASE, PINS, SPRINGS