Pearce Grip Glock 26/27/33/39 Pistol Magazine Extension 2 Round Black 1 Pack Polymer 3RD-2RD. OpticsPlanet is an Authorized US Distributor for Pearce Grip Magazine Extensions. Glock model 26/27/33/39 sub compacts plus extension. Increases the capacity of 9mm magazines by three rounds and .40 S&W/.357 magazines by two rounds and .45 GAP magazines by one round. Specifications for Pearce Grip Glock 26/27/33/39 2 Round Pistol Magazine Extension: Manufacturer: Pearce Grip Color: Black Fabric/Material: Polymer Magazine Capacity: 3 Round Gun Make: Glock Gun Model: Glock 39 Glock 33 Glock 27 Glock 26 Gun Frame Size: Sub-Compact Features of Pearce Grip Pearce Handgun Grip Extension Plus Glock Models 26/27/33/39 Sub Compacts Increases Magazine Capacity PG-39 These units blend with the contours and texture of the handgun giving a factory appearance. They are made from High Impact Polymer and withstand drop tests at temperatures from -20 F to 250 F. They form the next logical finger positioning feature to provide control and comfort without sacrificing conceal ability. Package Contents: Pearce Grip Glock 26/27/33/39 2 Round Pistol Magazine Extension We offer the complete line of Pearce Grip Magazine Extensions. For our complete selection of products by Pearce Grip on sale please visit our Pearce Grip page. For more Gun Accessories please visit our Gun Accessories store section. What firearm models does the manufacturer say Pearce Grip Glock 26/27/33/39 2 Round Pistol Magazine Extension is compatible with? The manufacturer suggests that Pearce Grip Glock 26/27/33/39 2 Round Pistol Magazine Extension is compatible with Glock 26 Glock 27 Glock 33 Glock 39Pearce Grip PG-39-3RD-2RD: Glock 26/27/33/39 Pistol Magazine Extension 2 Round Black 1 Pack Polymer