Home / NFA - Short Barrel Rifle / SIG SAUER MCX SPEAR SBR 6.8X51 13″ COY View cart “Kriss USA VECTOR SBR 10MM 5.5″ BLK 33+1” 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! Kriss USA VECTOR SBR 45ACP 5.5″ BLK 30+1 $1,69999 Original price was: $1,69999.$1,62241Current price is: $1,62241. Sale! Kriss USA VECTOR SBR 9MM 6.5″ MC BLACK $1,94999 Original price was: $1,94999.$1,85931Current price is: $1,85931. Sale! Kriss USA VECTOR SBR 9MM 6.5″ ALPINE $1,67999 Original price was: $1,67999.$1,60346Current price is: $1,60346. Sale! Kriss USA VECTOR SBR 9MM 6.5″ FDE 40+1 $1,64999 Original price was: $1,64999.$1,60346Current price is: $1,60346.