The G48 with Modular Optic System configuration. Reflex optics (MOS) allow you to look through the reticle and focus on the target and alignment of the dot.

LAS VEGAS -- Highlighting the trend of consumers increasing opting for optics, Austrian gun-maker Glock has rolled out a modular optic system for many of its popular pistols.

The G45 MOS incorporates the 5th Generation elements such as the ambidextrous slide- stop lever, the Modular Backstrap System, and the match-grade, GLOCK Marksman Barrel (GMB) for increased accuracy.

BIXBY, Okla. — Bixby Police Officers are now using new Glock 47s with a Holosun Solar Charging Modular Optic System.

Glock's new Modular Optic System is the company's factory mounting system for mini red dot sights. The first pistols to have this option are Glock's long-slide variant pistols in 9mm, 40 S&W, .45 ...

This particular system consists of the OZC J ‐ Series 5 ‐ Slot modular 1U chassis. The Master Unit is located within close proximity of the GPS antenna and it contains modular and hot ‐ swappable ...