semi auto handguns,Glock,PG3150203,357 Sig View cart “Glock G31 Gen4 .357 Sig 4.49″, Fixed Sights Rough Textured, 15 Round” 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 STOCKGlock G31 Gen4 .357 Sig 4.49″, Fixed Sights Rough Textured, 15 Round $499.00 Original price was: $499.00.$449.10Current price is: $449.10. Add to cart