ar 15 pistols,Sig Sauer,PMPX-4B-9,9mm View cart “Sig MPX K Pistol 9mm, 4.5″ Barrel, Black, Folding Brace Stock, 30rd” 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 MPX K Pistol 9mm, 4.5″ Barrel, Black, Folding Brace Stock, 30rd $1,899.99 Original price was: $1,899.99.$1,709.99Current price is: $1,709.99. Add to cart