This unit is designed to replace the magazine base plate on the Taurus GX4 and GX4 XL. It adds 1-round of capacity to the magazine and provides about 3/4 inches of extra gripping surface, enhancing control and comfort. The extension also features a texture that matches the frame for improved grip. Additionally, it uses the patented PearceLock attachment mechanism for secure installation. Replaces the factory magazine base plate for a secure fit Provides enhanced comfort for a better shooting experience Adds approximately 3/4 inches of gripping surface for improved control Increases magazine capacity by one round on flush-fitting magazines Ergonomically designed to improve handling and recoil control Made from high-impact-resistant polymer for durability Matte black finish for a sleek, tactical appearance