** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** Glock announced the addition of ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** In 2019, the United States Customs ...

GLOCK, Inc.'s new Modular Optic System (MOS) was designed by GLOCK engineers to enable users to mount their preferred reflex sights to their pistol in order to improve their target acquisition. The ...

The G45 Modular Optic System (MOS) incorporates the popular “Crossover” design with a factory-milled slide, making it modular-optic-ready and combines the compact-size slide with the full-size frame.