Home / NFA - Short Barrel Rifle / SIG SAUER MCX RATTLER 300BLK SBR BK 5″ # View cart “Q MINI FIX 300BLK 8″ SBR” has been added to your cart. Sale! SIG SAUER MCX RATTLER 300BLK SBR BK 5″ #$2,97999 Original price was: $2,97999.$2,82469Current price is: $2,82469. In stock SIG SAUER MCX RATTLER 300BLK SBR BK 5" # quantity Add to cart SKU: RMCX-300B-5B-TAP-SBR Category: NFA - Short Barrel Rifle Product ID: 37251 Description Description M-LOK Aluminum HandguardPDW Upper w/PDW Pistol Grip3-Prong Flash Hider Related products Sale! POF USA P415 EDGE SBR 300BLK 10.5″ BLK $2,15000 Original price was: $2,15000.$2,13412Current price is: $2,13412. Sale! Auto-Ordnance – Thompson 1927A-1 SBR 45CAL 10.5″ GRIP $3,23100 Original price was: $3,23100.$2,62459Current price is: $2,62459. Sale! POF USA P415 EDGE SBR 5.56 10.5″ BLK $2,15000 Original price was: $2,15000.$2,13412Current price is: $2,13412. POF USA PHOENIX SBR 9MM 8″ BLK MLOK $1,80100