GLOCK PG3150203 G31 G4 357S 15RD FS $514.80 Add To Cart DescriptionSpecificationsShipping & PaymentAdditional Info. Glock PG3150203 G31 Generation 4 357 Sig Sauer 4.49" 15+1 Black Synthetic Grip Item Number: 851907818 Shipping: Shipping: $0.00 Sales Tax: (GAonly)8.00% Ask a Question About this Item