Home / NFA - Short Barrel Rifle / SIG SAUER MCX PDW SBR 5.56 5.5″ BK MLOK# Sale! SIG SAUER MCX PDW SBR 5.56 5.5″ BK MLOK#$2,97999 Original price was: $2,97999.$2,82469Current price is: $2,82469. In stock SIG SAUER MCX PDW SBR 5.56 5.5" BK MLOK# quantity Add to cart SKU: RMCX-5B-TAP-SBR Category: NFA - Short Barrel Rifle Product ID: 61284 Description Description Aluminum M-LOK HandguardPDW Stock Related products POF USA PHOENIX SBR 9MM 8″ BLK MLOK $1,80100 Sale! SIG SAUER MCX RATTLER LT 5.56 SBR 7.75″ $2,94999 Original price was: $2,94999.$2,79981Current price is: $2,79981. Sale! POF USA RENEGADE+ DI SBR 556 10.5″ BLK $2,08300 Original price was: $2,08300.$1,90670Current price is: $1,90670. Sale! POF USA P415 EDGE SBR 5.56 10.5″ BLK $2,15000 Original price was: $2,15000.$2,03030Current price is: $2,03030.