The CZ Optics Ready Plate Kit allows use with Leupold Delta Point Pro, Shield RMS, and J-Point Sights. Simply place the adapter plate onto slide and secure it using the two supplier M3X8 screws. Place your optic onto the plate and follow the manufacturer's mounting specifications. The Optics Ready Kit also includes a 3-Dot CO Witness Sight Set with two optic plate adapter screws. NoteTorque the screws to 12-15 inch pounds. With optic installed, screw protrusion beneath the plate should not exceed 2.3mm (.090") or damage will occur.