If you viewing this listing I’m sure you understand how rare these holsters become for a HK MK23. The seamstress chalk mark identifier is still visible on the back of the holster. This variation of the holster is designed to contain the HK Mark 23 with the insight technology, laser, aiming module. Holster is the airborne variant with grip retention strap. Made by EAGLE INDUSTRIES, FENTON MISSOURI, in the late 90’s. Holster is black in color and left handed. Holster remains new and unused. Contact with any questions.