Glock 17 Gen 5

Glock 17 Gen 5: Complete Guide, Features & Generation Comparison

The Glock 17 Gen 5 is a full-size 9x19mm pistol and the fifth-generation development of Glock’s original Glock 17 platform. Introduced in 2017, the Gen 5 incorporated a number of changes compared with earlier generations, including revised ergonomics, a Glock Marksman Barrel, an ambidextrous slide-stop lever, a reversible magazine catch, front serrations, and an updated surface finish. (GLOCK)

For people researching the Glock 17 platform, understanding the differences between Gen 3, Gen 4 and Gen 5 is useful because each generation introduced particular design and ergonomic changes.

## What Is the Glock 17 Gen 5?

The Glock 17 Gen 5 is a full-size 9x19mm model built around Glock’s Safe Action system. According to Glock’s specifications, the standard model has a 17-round magazine, a 114 mm (4.49-inch) barrel, and an overall length of approximately 202 mm (7.95 inches). (GLOCK)

The Gen 5 design removes the traditional finger grooves found on earlier generations and uses interchangeable backstraps to provide additional grip-size flexibility. Glock also introduced a flared magazine well and an enlarged reversible magazine catch. (GLOCK)

## Glock 17 Gen 5 Key Features

### 1. Glock Marksman Barrel

One of the significant Gen 5 changes is the Glock Marksman Barrel (GMB). Glock describes the barrel as using enhanced rifling intended to improve accuracy compared with the previous design. (GLOCK Perfection)

### 2. Updated Ergonomics

The Gen 5 frame eliminates the finger grooves found on the Gen 3 and Gen 4 designs. Interchangeable backstraps allow the grip circumference to be adjusted for different hand sizes. (GLOCK Perfection)

### 3. Ambidextrous Controls

The Gen 5 incorporates an ambidextrous slide-stop lever and a reversible magazine catch. These changes make the controls more adaptable for both right- and left-handed users. (GLOCK)

### 4. nDLC Finish

Glock’s Gen 5 technology includes an nDLC finish on the slide and barrel. Glock states that this finish provides increased resistance to corrosion and scratching compared with its previous finish. (GLOCK Perfection)

### 5. Front Serrations

Front serrations provide an additional textured surface on the slide and are part of the Gen 5 design. (GLOCK Perfection)

### 6. Flared Magazine Well

The Gen 5 frame features a flared magazine well designed to make magazine insertion easier. (GLOCK)

### 7. Safe Action System

The Glock Safe Action system incorporates three passive mechanical safeties that disengage sequentially as the trigger is pulled and automatically re-engage when the trigger is released. (GLOCK Perfection)

## Glock 17 Generations Compared

| Generation | Notable Characteristics |
|—|—|
| Gen 1 | Original Glock 17 design; no accessory rail and no finger grooves |
| Gen 2 | Updated frame design while retaining the early-generation layout |
| Gen 3 | Added finger grooves and an accessory mounting rail |
| Gen 4 | Added rough-textured frame, reversible magazine catch, interchangeable backstraps and dual recoil spring |
| Gen 5 | Removed finger grooves, added GMB, nDLC finish, front serrations, ambidextrous slide-stop lever and flared magazine well |

Glock’s own history places Gen 1 production in 1981–1988, Gen 2 in 1988–1998, Gen 3 from 1998 onward, Gen 4 from 2009 onward, and Gen 5 from 2017 onward. (GLOCK Perfection)

## Glock 17 Gen 5 vs Gen 4

The most visible differences between the Gen 4 and Gen 5 include the removal of finger grooves, the addition of the Glock Marksman Barrel, an ambidextrous slide-stop lever, front serrations, the nDLC finish and a flared magazine well. (GLOCK Perfection)

The Gen 4 already introduced important ergonomic improvements, including interchangeable backstraps and a reversible magazine catch. Gen 5 builds on those features with additional frame, barrel and slide refinements.

## Glock 17 Gen 5 vs Gen 3

The Gen 3 is an older generation with a different frame design, including finger grooves and an accessory rail. The Gen 5 represents a substantial evolution of the platform, particularly in ergonomics, controls, barrel design and finish. (GLOCK Perfection)

For historical research, comparing Gen 3 and Gen 5 provides a useful illustration of how the Glock 17 platform has changed over several decades.

## Glock 17 Gen 5 MOS

 

The MOS version is therefore a distinct configuration worth considering when researching the Glock 17 Gen 5 family.

## Glock 17 Gen 5 Specifications

According to Glock’s published specifications for the standard G17 Gen 5:

– Caliber: 9×19 mm
– Standard magazine capacity: 17 rounds
– Barrel length: 114 mm / 4.49 inches
– Overall length: 202 mm / 7.95 inches
– Overall width: 34 mm / 1.34 inches
– Weight without magazine: 630 g / 22.22 oz
– Weight with empty magazine: 708 g / 24.97 oz
– Safe Action system: Yes (GLOCK)

Specifications can vary by configuration and jurisdiction, so the manufacturer’s current documentation should be checked for the particular model being researched.

## Frequently Asked Questions

### Is the Glock 17 Gen 5 a 9mm?

Yes. The Glock 17 Gen 5 is chambered in 9x19mm according to Glock’s official specifications. (GLOCK)

### When was the Glock 17 Gen 5 introduced?

Glock introduced the G17 Gen 5 alongside the G19 Gen 5 in August 2017. (GLOCK)

### What generation is the Glock 17 Gen 5?

It is the fifth generation of the Glock 17 platform.

### What changed from Gen 4 to Gen 5?

Major changes include the removal of finger grooves, Glock Marksman Barrel, nDLC finish, front serrations, ambidextrous slide-stop lever and a flared magazine well. (GLOCK Perfection)

### Does the Glock 17 Gen 5 have interchangeable backstraps?

Yes. Glock’s Gen 5 system allows different backstraps to be used to adjust grip circumference. (GLOCK Perfection)

### What is the Glock 17 Gen 5 MOS?

It is an optic-ready configuration of the Glock 17 Gen 5 designed with a factory-machined mounting system for compatible reflex sights. (GLOCK

### Legal & Safety Note

Firearm laws vary considerably by country, state, province and locality. Ownership, possession, transportation, storage, transfers and other firearm-related activities may be subject to licensing, registration, age requirements and other restrictions. This article is provided for general informational purposes and is not legal advice. Always consult the applicable government authority and current laws in your jurisdiction, and follow all manufacturer safety instructions and applicable firearm-safety requirements.

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The Glock 17 Gen 5 is a full-size 9x19mm pistol and the fifth-generation development of Glock’s original Glock 17 platform. Introduced in 2017, the Gen 5 incorporated a number of changes compared with earlier generations, including revised ergonomics, a Glock Marksman Barrel, an ambidextrous slide-stop lever, a reversible magazine catch, front serrations, and an updated surface finish. (GLOCK)

For people researching the Glock 17 platform, understanding the differences between Gen 3, Gen 4 and Gen 5 is useful because each generation introduced particular design and ergonomic changes.

 What Is the Glock 17 Gen 5?

The Glock 17 Gen 5 is a full-size 9x19mm model built around Glock’s Safe Action system. According to Glock’s specifications, the standard model has a 17-round magazine, a 114 mm (4.49-inch) barrel, and an overall length of approximately 202 mm (7.95 inches). (GLOCK)

The Gen 5 design removes the traditional finger grooves found on earlier generations and uses interchangeable backstraps to provide additional grip-size flexibility. Glock also introduced a flared magazine well and an enlarged reversible magazine catch. (GLOCK)

GLOCK 17V 9mm Full-Size 17-Round Pistol

### 1. Glock Marksman Barrel

One of the significant Gen 5 changes is the Glock Marksman Barrel (GMB). Glock describes the barrel as using enhanced rifling intended to improve accuracy compared with the previous design. (GLOCK Perfection)

### 2. Updated Ergonomics

The Gen 5 frame eliminates the finger grooves found on the Gen 3 and Gen 4 designs. Interchangeable backstraps allow the grip circumference to be adjusted for different hand sizes. (GLOCK Perfection)