Glock G17 Gen5 MOS 9mm
Model: PA175S203MOS
Glock G17 Gen5 MOS 9mm
Model: PA175S203MOS
Full Specifications
About This Firearm
The Glock G17 Gen5 MOS is a full-size striker-fired 9mm built for duty, and the MOS in the name is Glock's optic cut. The rear of the slide is machined to take a red dot on an adapter plate, which the standard Gen5 slide is not.
The barrel is 4.49 inches and the magazine holds 17 rounds, with three magazines in the box in the United States and ten-round and longer options listed. The Gen5 frame has no finger grooves, backstraps set the grip width, and the slide stop lever works from both sides. The slide carries Glock's nDLC finish and front serrations over the Glock Marksman Barrel. The trigger breaks at 5.8 lbs with no manual safety anywhere on the pistol.
If you're cross-shopping, the standard Glock G17 Gen5 is this pistol without the cut, at 24.97 oz. The Glock G17 Gen6 is the current optics-ready full-size Glock at 23.99 oz, and its plates let the optic screw into the slide with no adapter block underneath, on a reshaped grip.
Best For
Strengths & Limitations
- The adapter plates cover the common micro dot patterns, so the optic choice is not fixed by the slide.
- Everything below the slide cut is the standard Gen5 pistol, so holsters, magazines, sights and parts are shared with it.
- Three magazines come in the box in the United States.
- The plate sits between the optic and the slide, which raises the dot and adds a joint that has to stay tight.
- The Gen6 full-size mounts the optic to the slide without a plate, so this is the older arrangement.
Category Rankings
How the Glock G17 Gen5 MOS 9mm ranks among full-size 9mm Luger handguns.
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Frequently Asked Questions
Which red dots fit it?
Dots that match one of Glock's adapter plates. The plate goes into the slide cut and the optic onto the plate, so the footprint is set by the plate and not by the slide.
Do taller sights go with a dot?
Yes, if you want backup irons visible through the optic window. The sights Glock fits sit below the window of a micro dot, so suppressor-height irons are the usual companion purchase.
Where is it made?
Austria.
