ProMag Glock 22/23/27 Pistol Magazine .40 S&W 15 Round Black 1 Pack DuPont Zytel Polymer 15RD. It is constructed of DuPont Zytel polymer with full length steel internal insert injection molded mag follower and mag spring formed from chrome silicone wire. Specifications for ProMag Glock 22/23/27 .40 S&W 15 Round Pistol Magazine: Manufacturer: ProMag Gun Make: Smith & Wesson Glock Gun Model: Glock 22 Smith & Wesson M&P 40 Caliber: .40 S&W Magazine Capacity: 15 Round Color: Black Fabric/Material: Polymer Package Contents: ProMag Glock 22/23/27 .40 S&W 15 Round Pistol Magazine The ProMag GLKA12 G22 40 S&W 15 Rd Black Finish is a quality addition to the ProMag lineup. For more great deals on Pistol Magazines by ProMag please browse our Pro Mag Magazines page. What firearm models does the manufacturer say ProMag Glock 22/23/27 .40 S&W 15 Round Pistol Magazine is compatible with? The manufacturer suggests that ProMag Glock 22/23/27 .40 S&W 15 Round Pistol Magazine is compatible with Smith & Wesson M&P 40 Glock 22ProMag GLK-A12-15RD: Glock 22/23/27 Pistol Magazine .40 S&W 15 Round Black 1 Pack DuPont Zytel Polymer