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.

The Glock 47 MOS takes the G19X/G45 concept and stretches it, giving its user a nearly 4.5"-long barrel followed by an optic-ready slide on a frame with the company's latest, Gen5 ergonomics. The ...

SMYRNA, Ga. – April 26, 2019 GLOCK, Inc., a global leader in firearm manufacturing, introduces the newest addition to the 9X19 pistol family, the G45 Modular Optic System (MOS).