USED Tyrant CNC Glock Magazine Extension Glock 43x/48 9mm 4-Round Grey TD-G48MAGEX-G. Adds 4 rounds to your factory magazine AND includes a 10percent power spring. Drop your mags faster and grab them easily with their machined inlay Why do they install so quickly? they use their retention plunger technology that allows the magazine extension to easily slide onto the bottom of your magazine The entire install happens in 10 seconds or less and with no tools Want to take it off? Easy just push the plunger down and slide the magazine base plate off Their magazine base pads are CNC machined from aerospace grade aluminum. This gives any operator the added weight needed for your base pad to drop free and fast. their mag extensions instantly add 4 rounds to your 9mm Glock 43x/48. With an added knurl their Glock 43x & 48 mag extension is easy to grasp in any condition making reloads faster than their competitors. As always their products are made in specialized factories and have a flawless finish. There is no easier and quicker way to add the much needed capacity to your Glock 43x & 48 than with their Glock magazine extension. Whether you are an avid concealed carrier an active competitive shooter or anything in-between their Glock 43x & 48Magazine Extension is the solution NOTE: Compatible with Glock 43x/48 OEM 10-round Magazines ONLY. Specifications for Tyrant CNC Glock 43x/48 9mm 4-Round Magazine Extension: Manufacturer: Tyrant CNC Finish: Machined Fabric/Material: Aerospace Grade Aluminum Gun Make: Glock Gun Model: Glock 48 Glock 43X Caliber: 9mm Luger Magazine Capacity: 4 Round Projectile Caliber: .355 Caliber Features of Tyrant CNC Glock 43x/48 9mm 4-Round Magazine Extension: Quickest installing Magazine Extension EVER Adds 4 rounds of 9mm magazine capacity Added control and increased purchase Smooth chamfered edges NO TOOLS NECESSARY Package Contents: Tyrant CNC Glock 43x/48 9mm 4-Round Magazine Extension What firearm models does the manufacturer say Tyrant CNC Glock 43x/48 9mm 4-Round Magazine Extension is compatible with? The manufacturer suggests that Tyrant CNC Glock 43x/48 9mm 4-Round Magazine Extension is compatible with Glock 43X Glock 48Tyrant CNC TD-G48MAGEX-G: Glock Magazine Extension Glock 43x/48 9mm 4-Round Grey