This plate is specifically designed for MOS model Glocks to allow them to fit optics that use the Holosun K footprint.

• One or Two Piece: one piece

*Item must be returned in unused condition and in the original manufacturer's packaging (if applicable). If an item arrives non-defective and accurate to its description, this guarantee does not apply and returns will not be organized in those situations. Please confirm compatibility and specifications with us regarding item Holosun Black Compatible w/Holosun 407/507K before purchasing if you are unsure.