If you're waiting for an airsoft Glock 17 Gen 5 MOS but cannot wait for the GHK version, you can enquire at Baton Airsoft if they can ship their new BATON Airsoft BG-17 CO2GBB as it is based on this model... "CO2 gas gun BG-17 CO2GBB which is modeled on the latest version "Gen.5" of the most famous polymer frame auto pistol. It completely reproduces the appearance of the characteristic slide cut and grip pattern. Furthermore, by making it a unique internal structure, even the MOS (Modular Optic System) is reproduced while the slide is resin. Comes with 4 types of MOS plates and supports each company's dot site.

List of compatible MOS plates:

• 01: Doctor pitch (Doctor, Vortex, Vector Optics, SURE HIT MRS, etc.)
• 02: Trijicon pitch (Trijicon, Holosun, etc.)
• 03: C-More pitch (C-More, etc.)
• 04: Leupold pitch (Leupold, etc.)

*The correspondence table above may not match the pitch of the actual dot sight depending on the replica.

*The mounting screws are M3 and may differ from the actual dot sight."