Warne Magazine Extension Glock 19/23 +5/9mm +4/.40 Dark Earth 5RD. These Gun Parts from Warne expand the capacity of your Glock mags by one to two rounds greatly improving your ammunition capabilities. The Warne Glock 19/23 Mag Extension is constructed from durable lightweight aluminum with an ergonomic shape for easy insertion and finger grooves that allow the magazine to be stripped if needed. Another fantastic feature of the Warne Glock 19/23 Ammo Magazine Extension is the Torx head screw and washer used to secure it in place. These magazine extensions come in different capacities and you can even install them on the zero capacity model to comply with your home state's magazine capacity limits. Bring your pistol to the next level by outfitting it with a Warne Glock 19/23 Ammo Magazine Extension. Specifications for Warne Glock 19/23 Magazine Extension: Manufacturer: Warne Fabric/Material: 6061-T6 Aluminum Finish: Type II Hardcoat Anodized Caliber: 9mm Luger .40 S&W Gun Make: Glock Gun Model: Glock 23 Glock 19 Features of Warne Glock 19/23 Magazine Extension Torx head screw and washer for retention Package Contents: Warne Glock 19/23 Magazine Extension What firearm models does the manufacturer say Warne Glock 19/23 Magazine Extension is compatible with? The manufacturer says that Warne Glock 19/23 Magazine Extension is compatible with Glock 19 Glock 23Warne 3128-5RD: Magazine Extension Glock 19/23 +5/9mm +4/.40 Dark Earth