ar 15 pistols,Sig Sauer,PMCX-300B-9B-TFSAL-400,300 Blackout 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.$879.60Current price is: $879.60. Add to cart