1911,Sig Sauer,1911-45-B-XO,45 ACP View cart “Sig 1911 45 ACP, 5″ Barrel, XO Black SAO Contrast Sights Black Polymer Grip (2) 8RD Steel 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 1911 45 ACP, 5″ Barrel, XO Black SAO Contrast Sights Black Polymer Grip (2) 8RD Steel MAG $879.99 Original price was: $879.99.$791.99Current price is: $791.99. Add to cart