ar 15 pistols,Sig Sauer,PMCX-11B-PSB,5.56x45mm View cart “Sig MCX AR-15 Pistol, 5.56 Nato/223, 11.5″ Barrel, Pistol Stablizing Brace, Black, 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 AR-15 Pistol, 5.56 Nato/223, 11.5″ Barrel, Pistol Stablizing Brace, Black, 30rd Mag $1,899.89 Original price was: $1,899.89.$1,709.90Current price is: $1,709.90. Add to cart