# Glock G17 Gen 4 MOS 9mm Optics-Ready Semi-Auto Pistol

**Brand:** Glock
**Category:** Full Size Handguns
**Caliber:** 9mm

## Specifications

- **Caliber:** 9mm
- **Barrel Length:** 4.5"
- **Capacity:** 17 rounds
- **Finish:** Black
- **Weight:** 25.1 oz
- **Overall Length:** 7.95"
- **UPC:** 764503043659
- **SKU:** UCDSUKrMZ

## Description

The Glock G17 Gen 4 MOS is a full-size 9mm semi-automatic pistol with a Modular Optics System (MOS) cut that lets you mount red dot sights directly without modifying the slide. It weighs 25.1 ounces with a 4.5-inch barrel and holds 17 rounds standard.

### Key Specifications
- **Manufacturer:** Glock
- **Model:** G17
- **Series:** Gen 4 MOS
- **Caliber:** 9mm Luger
- **Action:** Semi-Automatic (Double Action)
- **Barrel Length:** 4.5 inches (approximately 114 mm)
- **Overall Length:** 7.95 inches (approximately 202 mm)
- **Weight:** 25.1 ounces (1.6 pounds / approximately 0.73 kg)
- **Capacity:** 17 rounds
- **Frame Material:** Polymer
- **Slide Material:** Forged Steel
- **Sights:**
    - Front: Fixed 1-Dot
    - Rear: Fixed 2-Dot

### Detailed Features

The MOS adapter system accepts a range of popular red dot footprints without machine work. The textured polymer grip holds firmly and absorbs some felt recoil during extended sessions. Trigger, firing pin, and drop safeties provide layered protection against unintended discharge. The design uses fewer parts than many competing platforms, which simplifies field-stripping and cleaning.

### Usage Scenarios

1. **Home Defense**: 17-round capacity and consistent reliability make it well suited for home protection.
2. **Competitive Shooting**: The optics-ready slide is a meaningful advantage in divisions that allow red dots.
3. **Training**: Manageable recoil and simple controls work well in introductory and intermediate shooting courses.

## What Customers Say

*AI-generated insights from customer reviews*

Feedback on the G17 Gen 4 MOS covers a few consistent areas.

1. **Reliability**: Users describe it as a workhorse. It runs under varied conditions and holds up over high round counts, which is why it gets chosen for both law enforcement and civilian carry.

2. **Optics-Ready Feature**: The MOS cut is frequently called out as a genuine practical benefit. Being able to mount a red dot without sending the slide to a machinist appeals to shooters moving from iron sights to optics.

3. **Ergonomics and Handling**: The Gen 4 grip and adjustable backstraps fit a range of hand sizes. Most users find it comfortable during extended sessions, and new shooters find the controls easy to learn.

4. **Capacity**: 17 rounds is at the higher end for pistols in this class, which users see as a meaningful advantage for both defense and range work.

5. **Aftermarket Support**: The G17 platform has deep aftermarket coverage. Holsters, triggers, sights, and grip accessories are easy to source.

6. **Critiques**: The full-size frame is heavier than sub-compact carry guns, and some shooters prefer the trigger feel of competing platforms.

## Pricing

**1 offers available**

| Vendor | Price |
|--------|-------|
| Gunbuyer Com | $689.00 |

## Similar Products

- [Glock G17 Gen 4 MOS 9mm Tactical Pistol with Optics-Ready Slide](https://gunsnation.com/p/glock-g17-gen-4-mos-9mm-tactical-pistol-with-optics-ready-slide/UCDSUOVdg)
- [Glock G17 Gen 4 - 9mm Midnight Bronze High-Capacity Semi-Auto Pistol](https://gunsnation.com/p/glock-g17-gen-4-9mm-midnight-bronze-high-capacity-semi-auto-pistol/UCDSUOVlK)
- [Glock G17 Gen 4 - 9mm 17-Round Gray Cerakote Semi-Auto Pistol](https://gunsnation.com/p/glock-g17-gen-4-9mm-17-round-gray-cerakote-semi-auto-pistol/UC2fQGNz1)
- [Glock G17 Gen 4 MOS 9mm - Modular Optics System, Reliable Performance](https://gunsnation.com/p/glock-g17-gen-4-mos-9mm-modular-optics-system-reliable-performance/UCDSUOVdZ)
- [Glock G17 Gen 4 OD Green 9mm Optics-Ready Pistol, 17-Round Capacity](https://gunsnation.com/p/glock-g17-gen-4-od-green-9mm-optics-ready-pistol-17-round-capacity/UCDSUKlJA)
- [Glock G17 Gen 4 9mm - High-Capacity Semi-Auto Pistol, Reliable & Durable](https://gunsnation.com/p/glock-g17-gen-4-9mm-high-capacity-semi-auto-pistol-reliable-durable/UCDSUKk07)

---
*Data from [GunsNation](https://gunsnation.com)*