Compatible with the Canik TTI Combat handgun, the Canik TTI Combat 9mm 18-Round Magazine with +3 Extension is a TP9-series magazine featuring steel construction with a corrosion-resistant finish for superior durability and reliable performance in any shooting application. The durable polymer follower and steel wire spring ensure smooth, reliable feeding in high-stress target and defensive scenarios. The factory-installed aluminum +3 extension features a bronze Cerakote finish to complement your TTI Combat pistol while maximizing your carry capacity for superior firepower in competitive and tactical applications. What are you waiting for? Pick up an extra TTI Combat 21-round mag or two today and enjoy superior stopping power at a price you can afford!