The Glock G17 Gen 4 MOS 9mm Tactical Pistol with Optics-Ready Slide is a 9mm full size handguns from Glock. It is available from 2 vendors at $600.99 to $606.
Name: Glock G17 Gen 4 MOS 9mm Tactical Pistol with Optics-Ready Slide
Brand: Glock
Category: Full Size Handguns
Caliber: 9mm
Barrel Length: 4.5"
Capacity: 17 rounds
UPC: 764503913464
SKU: UCDSUOVdg
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The Glock G17 Gen 4 MOS is a full-size 9mm semi-automatic pistol built around Glock's Modular Optics System, which lets you mount red dot sights directly to the slide without an adapter plate. It works for home defense, competitive shooting, and rang...
The Glock G17 Gen 4 MOS is a full-size 9mm semi-automatic pistol built around Glock's Modular Optics System, which lets you mount red dot sights directly to the slide without an adapter plate. It works for home defense, competitive shooting, and range training. The optics-ready slide is the main reason to pick this version over the standard G17.
The MOS cuts are machined into the rear of the slide and accept most common red dot footprints via included adapter plates. The barrel and slide both carry a black gas nitride finish for corrosion resistance. Trigger safety, firing pin safety, and drop safety work together. None require a manual thumb lever.
The Gen 4 grip has more aggressive texture than earlier generations and ships with three interchangeable backstraps so you can adjust reach to the trigger. For competition or optic-heavy home defense setups this is a practical upgrade over the standard G17.
The G17 Gen 4 MOS draws consistently positive feedback, with a few recurring points of discussion.
Reliability comes up most. Users regularly report thousands of rounds without malfunctions across different ammunition types and conditions.
The Gen 4 grip improvements, texture and swappable backstraps, get mentioned often. Shooters with larger or smaller hands appreciate being able to fit the grip rather than adapting to it. The MOS feature is a highlight for anyone already running red dots; the cut is clean and the available adapters cover the most popular optic footprints.
Versatility is another recurring theme. The same pistol handles duty use, range sessions, and carry reasonably well. Aftermarket support is deep: holsters, sights, triggers, and lights are easy to find.
The main criticism is size. The G17 is a full-size frame, and some users find it harder to conceal than a G19 or G26. Price is generally considered fair given the performance, though budget shoppers do look at the used market.
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
The Glock G17 Gen 4 MOS is a full-size 9mm semi-automatic pistol built around Glock's Modular Optics System, which lets you mount red dot sights directly to the slide without an adapter plate. It works for home defense, competitive shooting, and range training. The optics-ready slide is the main reason to pick this version over the standard G17.
The MOS cuts are machined into the rear of the slide and accept most common red dot footprints via included adapter plates. The barrel and slide both carry a black gas nitride finish for corrosion resistance. Trigger safety, firing pin safety, and drop safety work together. None require a manual thumb lever.
The Gen 4 grip has more aggressive texture than earlier generations and ships with three interchangeable backstraps so you can adjust reach to the trigger. For competition or optic-heavy home defense setups this is a practical upgrade over the standard G17.
| Caliber | 9mm |
| Model | G17 |
| Capacity | 17 rounds |
| Barrel length | 4.5" |
| Overall length | 8.03" |
| Weight | 25.1 oz |
| Action | Double Action |
| Finish | Black |
| Color | Black Frame, Black Slide |
| Sights | RS: Fixed 2-Dot, FS: Fixed 1-Dot |
| Safety | Trigger/Firing Pin/Drop |
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
The G17 Gen 4 MOS draws consistently positive feedback, with a few recurring points of discussion.
Reliability comes up most. Users regularly report thousands of rounds without malfunctions across different ammunition types and conditions.
The Gen 4 grip improvements, texture and swappable backstraps, get mentioned often. Shooters with larger or smaller hands appreciate being able to fit the grip rather than adapting to it. The MOS feature is a highlight for anyone already running red dots; the cut is clean and the available adapters cover the most popular optic footprints.
Versatility is another recurring theme. The same pistol handles duty use, range sessions, and carry reasonably well. Aftermarket support is deep: holsters, sights, triggers, and lights are easy to find.
The main criticism is size. The G17 is a full-size frame, and some users find it harder to conceal than a G19 or G26. Price is generally considered fair given the performance, though budget shoppers do look at the used market.
Price Range: $600.99 - $606
| Vendor | Price | Condition | Link |
|---|---|---|---|
| Guns Com | $600.99 | Used | Buy Now |
| Gunbuyer Com | $606 | New | Buy Now |
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