Warne Extended Magazine Base Pad Glock 17/22 +5/9mm +4/.40 Gray 5RD. These Gun Parts by Warne work with factory magazines to bring them up to factory capacity and zero capacity models exist for those looking to stay within Glock magazine capacity limits. The Warne Glock 17/22 Ammo Magazine Extension adds extra ammo to your extended magazine and finger grooves let you easily strip the magazine if needed. Tighten your fit with the Torx head screw and washer included with this Warne Glock 17/22 Ammo Magazine Extension and add extra capacity to your extended magazine. Specifications for Warne Glock 17/22 Extended Magazine Base Pad: Manufacturer: Warne Fabric/Material: 6061-T6 Aluminum Finish: Type II Hardcoat Anodized Gun Make: Glock Gun Model: Glock 22 Glock 17 Condition: New Features of Warne Glock 17/22 Magazine Extension Torx head screw and washer for retention Package Contents: Warne Glock 17/22 Magazine Extension What firearm models does the manufacturer say Warne Glock 17/22 Extended Magazine Base Pad is compatible with? The manufacturer says that Warne Glock 17/22 Extended Magazine Base Pad is compatible with Glock 17 Glock 22Warne 3114-5RD: Extended Magazine Base Pad Glock 17/22 +5/9mm +4/.40 Gray