Home Mounting Standards Glock MOS The Glock Modular Optic System (MOS) is Glock’s optics-ready platform. Instead of cutting the slide for one specific footprint, MOS… View → Dovetail (11 mm) The 11 mm dovetail is a narrow angled rail found on many rimfire and air rifles. Scopes attach with dovetail… View → Posts pagination Previous 1 2