SGM Tactical .40 Cal Glock Compatible Pistol Magazine 31 Round Black SGMT40G31R. Specifications for SGM Tactical .40 Cal Glock Compatible 31 Round Pistol Magazine: Manufacturer: SGM Tactical Gun Make: Glock Gun Model: Glock 22 Glock 23 Caliber: .40 S&W Magazine Capacity: 31 Round Color: Black Condition: New Polymer Body Material Package Contents: SGM Tactical .40 Cal Glock Compatible 31 Round Pistol Magazine What firearm models does the manufacturer say SGM Tactical .40 Cal Glock Compatible 31 Round Pistol Magazine is compatible with? The manufacturer suggests that SGM Tactical .40 Cal Glock Compatible 31 Round Pistol Magazine is compatible with Glock 23 Glock 22SGM Tactical SGMT40G31R: .40 Cal Glock Compatible Pistol Magazine 31 Round Black