The name GLOCK is synonymous with quality and innovation. Every year, new handguns are unveiled that help the company remain on the cutting edge. For 2016, the Smyrna, Ga.-based gun maker is showing no signs of slowing down with the announcement of two new additions to its Modular Optic System (MOS) line: the GLOCK 17 Gen4 MOS and GLOCK 19 Gen4 MOS. These guns are included in the 2016 buyer’s guide for GLOCK Autopistols, which contains 33 pistols for you to peruse. See more about the two new MOS models below, and head over to for an in-depth look at the full buyer’s guide.

Glock 17 Gen4 MOS

GLOCK has expanded its Modular Optic System (MOS) line to now include the iconic GLOCK 17 Gen4. The MOS Configuration makes it easy to mount a miniature reflex sight on the pistol’s slide without having to get a new slide or separate mounting system.

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In many people’s minds, it was the G17 that really started GLOCK down this path. Over the years, custom shops have altered countless GLOCK 17 slides to allow for popular reflex sights, or people used out-of-the-box versions that utilized the rear site channel. GLOCK has now taken the lead and is providing its customers the opportunity to get their classic and reliable G17 in the much sought-after MOS Configuration. While it may be hard to believe, the reliable GLOCK 17 Gen4 just got better.

Glock 19 Gen4 MOS

To many, the release of the new G17 Gen4 MOS is seen as a major development. But GLOCK did not stop there. In concert with the new G17 Gen4 MOS, GLOCK has also released the G19 Gen4 MOS. This move shines a light on the growing trend of mounting quick-targeting reflex sights on defensive pistols. Once the exclusive realm of the competition world, reflex sights have made their way onto defensive carry guns. Now available with GLOCK’s popular MOS Configuration, the G19 Gen4 pistol can now easily be fitted for a variety of optics.

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The benefits of having a miniature reflex sight on a gun as reliable and accurate as the G19 Gen4 MOS are numerous. First and foremost is the shooter’s ability to acquire and engage targets at high speed. There is no need to close one eye, which improves your overall vision of the events at hand. This takes one of the most relied-upon pistols in the world and takes it to the next level of accuracy and effectiveness. The GLOCK 19 Gen4 MOS will surely lead the industry and become a popular defensive handgun among shooters.

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