Tyrant CNC Glock G43X/G48 +4 Magazine Extension - Gold - Utilizing Tyrant CNC's magazine extension technology the Tyrant Glock 43x & 48 magazine extension is the fastest and easiest installing mag extension ever! Adds 4 rounds to your factory magazine AND includes a 10% power spring. Drop your mags faster, and grab them easily with their machined inlay! Tyrant CNC's 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. Tyrant CNC mag extensions instantly adds 4 rounds to your 9mm Luger Glock 43x/48. With an added knurl Tyrant CNC's Glock 43x & 48 mag extension is easy to grasp in any condition, making reloads faster. As always, Tyrant CNC's products are manufactured in the USA 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 Tyrant CNC Glock magazine extension. Whether you are an avid concealed carrier, an active competitive shooter or anything in-between, Tyrant CNC Glock 43x & 48 magazine extension is the solution! Made in the USA ; +4 Magazine Extension; Why do they install so quickly? Tyrant CNC 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; NO TOOLS NECESSARY!; Want to take it off? Easy, just push the plunger down and slide the magazine base plate off; Adds 4 Rounds of 9mm Luger ; Smooth chamfered edges; Added control and increased purchase; Quickest installing Magazine Extension EVER; Designed For Models G43X; G48;