Shop › MEC-GAR MAG S&W59/915 9MM 10RD BL MEC-GAR MAG S&W59/915 9MM 10RD BL $32.65 Mec-Gar USA Pistol Magazine, 9MM, 10 Rounds, Fits S&W 5900 Series Pistols, Steel, Blued Finish MGSW5910B Quantity: Add To Cart Added! Mec-Gar USA Pistol Magazine, 9MM, 10 Rounds, Fits S&W 5900 Series Pistols, Steel, Blued Finish MGSW5910B