The Holosun Mounting kit is for mounting optics with the Holosun footprint to the Holosun optic cut on Archon Type B Gen 1 & 2 pistols. The kit includes the proper length screws, 6mm, to secure Holosun EPS Carry. K series Holosun Optics will need longer screws that are provided with the Holosun Optic.
*This mounting kit is not for RMR mounted Holosun optics using the Trijicon RMR slide optic cut.