Home / NFA - Short Barrel Rifle / SIG SAUER MCX SPEAR SBR 6.8X51 13″ COY View cart “Diamondback Firearms DB15 SBR 300BLK BLACK 10″” has been added to your cart. Sale! SIG SAUER MCX SPEAR SBR 6.8X51 13″ COY$4,57999 Original price was: $4,57999.$4,34914Current price is: $4,34914. In stock SIG SAUER MCX SPEAR SBR 6.8X51 13" COY quantity Add to cart SKU: RSPEAR-68-13B-NG-SBR Category: NFA - Short Barrel Rifle Product ID: 112577 Description Description M-LOK RailAmbi Bolt/Catch ReleaseCurved Match Trigger Related products Sale! POF USA P415 EDGE SBR 300BLK 10.5″ BLK $2,21500 Original price was: $2,21500.$2,19809Current price is: $2,19809. Sale! Kriss USA VECTOR SBR 9MM 5.5″ BLACK 40+1 $1,69999 Original price was: $1,69999.$1,62241Current price is: $1,62241. Sale! Kriss USA VECTOR SBR 45ACP 6.5″ FDE 30+1 $1,67999 Original price was: $1,67999.$1,60346Current price is: $1,60346. Sale! Kriss USA VECTOR SBR 9MM 6.5″ ALPINE $1,67999 Original price was: $1,67999.$1,60346Current price is: $1,60346.