The Mec-Gar® CZ® Plus 1 Set - Floor Plate, Spring & Follower Kit from GunMag Warehouse is an easy-to-install magazine upgrade kit, designed to maximize your overall carry capacity and firepower potential. Compatible with most CZ pistol magazines, this kit allows you to increase your magazine’s capacity by 1 round using the replacement floor plate, improved and elongated spring, and follower. Plus, this kit does not require any additional tools or parts for quick installation and field-ready service right out of the box. What are you waiting for? Order yours today!