Whilst we wait for airsoft manufacturers to catch up to make their Glock pistols up-to-date, we just wish they hurry and make a Glock 19 or Glock 17 Gen 5 MOS (Modular Optics System) which makes them ready for microsights. Here is a look by Tactical Toolbox on the Glock 19 Gen 5 MOS and tries to answer the question if it is worth getting one... "Is the Glock 19 Gen 5 MOS Worth it? Is It the Best 9mm Pistol of 2018?? Let's look at the All new Gen 5 Glock 19 MOS Pistol and also compare it to the MOS system of the FN 509 Tactical Pistol."