ar 15 pistols,Sig Sauer,PMCX-300B-9B-TFSAL-400,300 Blackout View cart “Sig MCX Pistol Hybrid 300 Blackout 9″ Barrel, Pistol Brace 30rd Mag” has been added to your cart. Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! IN STOCKSig MCX Pistol Hybrid 300 Blackout 9″ Barrel, Pistol Brace 30rd Mag $1,396.19 Original price was: $1,396.19.$1,256.57Current price is: $1,256.57. Add to cart