The Glock 49 M.O.S. is a striker-fired 9mm pistol with a 4.49-inch barrel, built on the Gen 5 platform. It's sized between the G17 and G19 (full-length grip, shorter slide), and the optics-ready cut makes it a practical choice for anyone who wants to run a red dot without a separate milling job. 
 

Key Specifications 

• Manufacturer: Glock 
• Model: G49 G5 MOS 
• Caliber: 9MM Luger (9X19 Para) 
• Action: Striker 
• Capacity: 10 rounds (+1) 
• Barrel Length: 4.49 inches 
• Weight: 1.4 lbs (approx. 25.93 oz) 
• Sights: Open notch sights with optics-ready cut 
• Finish: Black nDLC finish 
• Frame Material: Polymer 
   

Features 

 
The MOS cut accepts a range of red dot optics with the appropriate adapter plates. Front slide serrations and a flared mag-well improve reload speed and slide manipulation. The nDLC finish on the barrel and slide is harder and more corrosion resistant than Glock's older Tennifer treatment. The Safe Action system handles drop safety, firing pin safety, and trigger safety without requiring a manual safety lever. The polymer frame is the standard Gen 5 configuration with the ambidextrous slide stop and no finger grooves. 
 

Usage 

 
The G49 works well as a home defense pistol, a competition starting point, or a duty-size carry gun for those who prefer a full grip. The 4.49-inch barrel gives a useful velocity advantage over shorter G19-length guns while the compact slide keeps holster options reasonable.

Discussion around the Glock 49 G5 MOS is generally positive, following the pattern for modern Glock offerings.

Reliability is the first thing owners mention. The Gen 5 internals are well-proven, and the G49 inherits that track record. The MOS cut draws consistent praise from shooters who run optics and want a factory solution rather than a custom mill job. The compact format (full grip, shorter slide) appeals to people who want G17 magazine capacity in a slightly handier package.

Ergonomics split opinion. The grip texture and Gen 5 feel work well for most hands, but some owners find other polymer-frame pistols more comfortable. Comparisons to the G19 and G17 are common, with the G49 sometimes seen as a middle-ground compromise rather than a clear winner over either.

Customization is straightforward given Glock's aftermarket ecosystem, and owners frequently discuss trigger upgrades, optic choices, and holster options. Price is viewed as fair for what you get.

On aesthetics, the utilitarian Glock look draws the expected opinions, functional rather than stylish, but for most buyers that's irrelevant to the purchase decision.