Complete Glock Model and Caliber Guide

Glock Model Guide
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Complete Glock Model and Caliber Guide

Embarking on a journey through the world of Glock firearms is like exploring a vast landscape of precision engineering, innovation, and reliability.

Known for their performance and rugged durability, Glock firearms have become a staple for law enforcement, military personnel, and civilian shooters alike.

In this comprehensive guide, we will meticulously break down each Glock model, detailing its caliber, dimensions, and the unique features that set it apart.

From the compact powerhouses to the full-sized workhorses, we'll navigate through the extensive lineup of Glock's creations, providing enthusiasts and newcomers with the insights needed to understand the nuances of these iconic firearms.

Whether you're interested in purchasing your first Glock model or considering expanding your collection, this article will serve as your definitive resource for all things related to Glock firearm models.

Looking for a specific Glock model?

Save time and access the information that best fits your needs by selecting your interested caliber below!

  • 9mm - Explore the versatility and performance of Glock's 9mm models, a popular choice for both personal defense and law enforcement.

  • .40 Cal - Learn about the .40 cal models, which offer a balance between power and capacity.

  • .45 Auto - Discover the models chambered in .45 ACP, a caliber known for its significant impact and historical significance.

  • 10mm Auto - Dive into the power and capability of the 10mm Auto models, favored for their stopping power and ballistics.

  • .380 ACP - Get to know the compact models in .380 ACP, ideal for concealed carry with a focus on ease of use.

  • .357 - Check out the .357 SIG models for a combination of velocity and precision in a high-performance caliber.

  • .22LR - Explore the .22 LR models, ideal for training and recreational, making them perfect for new shooters and experienced marksman alike.

  • .45 G.A.P. - Investigate the .45 G.A.P. models, offering .45 ACP performance in a shorter cartridge designed to fit more compact handguns.

Glock 17 / Glock 17 Gen5 / Glock 17 MOS

With the G17 Gen5 MOS Glock enhances the already near-perfect Gen5 model of "The original" with the addition of the Modular Optic System (MOS).

The Glock 17 Gen 5 slide is precision machined to provide a mounting system for popular optic sights.

With multiple adapter plates, you can quickly and easily mount miniature red dot sights to the rear of the Gen5 Glock slide, which has front serrations for easier and quicker manipulations.

All of the Gen5 qualities are present in this standard-size pistol: The latest Glock nDLC surface finish, unmatched in hardness and rust resistance; the high traction Gen5 frame texture, quickly reversible magazine catch, ambidextrous slide stop lever, the Glock Modular Backstrap System (MBS) for individual operator adjustability, the universally-acclaimed Glock Safe Action® System and high visibility orange magazine followers.

1             Length (Overall)**           202 mm | 7.95 inch

2             Slide Length                        186 mm | 7.32 inch

3             Width (Overall)                 34 mm | 1.34 inch

4             Slide Width                         25,5 mm | 1.00 inch

5             Height incl.Mag.               139 mm | 5.47 inch

6             Line of Sight (Polymer)   169 mm | 6.65 inch

               Line of Sight (Steel)          168 mm | 6.61 inch

               Line of Sight (GNS)           167 mm | 6.57 inch

7             Trigger Distance**            70 mm | 2.76 inch

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps. Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Glock 19 / Glock 19 Gen5 / Glock 19 MOS

With the G19 Gen5 MOS Glock enhances the desirability of the already near-perfect Gen5 model with the addition of the Modular Optic System (MOS).

The Glock 19 Gen5 slide is precision machined to provide a mounting system for popular optic sights. With multiple adapter plates, you can quickly and easily mount miniature electronic sights to the rear of the Gen5 Glock slide, which has front serrations for easier and quicker manipulations.

All of the Gen5 qualities are present in this compact-size pistol: The latest Glock nDLC surface finish, unmatched in hardness and rust resistance; the high traction Gen5 frame texture, quickly reversible magazine catch, ambidextrous slide stop lever, the Glock Modular Backstrap System (MBS) for individual operator adjustability, the universally-acclaimed Glock Safe Action® System and high visibility orange magazine followers.

1             Length (Overall)**           185 mm | 7.28 inch

2             Slide Length                        174 mm | 6.85 inch

3             Width (Overall)                 34 mm | 1.34 inch

4             Slide Width                         25,5 mm | 1.00 inch

5             Height incl.Mag.               128 mm | 5.04 inch

6             Line of Sight (Polymer)   157 mm | 6.18 inch

               Line of Sight (Steel)          156 mm | 6.14 inch

               Line of Sight (GNS)           155 mm | 6.10 inch

7             Trigger Distance**            70 mm | 2.76 inch

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps.  Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Glock 19X

Glock's first ever "Crossover" pistol, the Glock 19X, combines the best features of two of its most popular and most trusted field-tested platforms.

The full-size G17 frame and the compact G19 slide have joined forces to produce the ideal pistol for all conditions and all situations.

The 19X comes in the coyote color with the first-ever factory colored slide, finished with an improved nPVD slide coating to prevent corrosion.

Additional features include the Glock Marksman Barrel (GMB), no finger grooves, ambidextrous slide stop levers and lanyard loop.

Included with the pistol is a standard 17-round magazine, two 17+2-round magazines and a coyote-colored pistol case.

1             Length (Overall)**           189 mm | 7.44 inch

2             Slide Length                        174 mm | 6.85 inch

3             Width (Overall)                 33 mm | 1.30 inch

4             Slide Width                         25,5 mm | 1.0 inch

5             Height incl.Mag.               139 mm | 5.47 inch

6             Line of Sight (Polymer)   -

               Line of Sight (Steel)          152 mm | 5.98 inch

               Line of Sight (GNS)           151 mm | 5.94 inch

7             Trigger Distance**            70 mm | 2.76 inch

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps.  Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Glock 26 / Glock 26 Gen5

The G26 is now available in Glock's latest generation of perfection.

A popular option for concealed carry, the Glock 26 Gen5 now features the Glock Marksman Barrel (GMB), delivering increased accuracy with polygonal rifling and an improved barrel crown.

Other features include the removal of the finger grooves, and an ambidextrous slide. 

It comes with front serrations (FS) which provide an additional tactile surface choice when manipulating the slide giving the operator positive traction even with wet or sweaty hand.

1             Length (Overall)**           163 mm | 6.42 inch

2             Slide Length                        159 mm | 6.26 inch

3             Width (Overall)                 33 mm | 1.30 inch

4             Slide Width                         25,5 mm | 1.0 inch

5             Height incl.Mag.               106 mm | 4.17 inch

6             Line of Sight (Polymer)   137 mm | 5.39 inch

               Line of Sight (Steel)          136 mm | 5.35 inch

               Line of Sight (GNS)           135 mm | 5.31 inch

7             Trigger Distance**            70 mm | 2.76 inch

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps.  Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Glock 34 / Glock 34 Gen5 / Glock 34 MOS

The Glock 34 Gen5 MOS features an extended barrel and greater slide dimensions, making it a favorite among sport shooting competitors.

Design enhancements include the Glock Marksman Barrel (GMB) which delivers increased accuracy with enhanced polygonal rifling and an improved barrel crown, no finger grooves, ambidextrous slide stop levers for better versatility and control.

1             Length (Overall)**           222 mm | 8.74 inch

2             Slide Length                        207 mm | 8.15 inch

3             Width (Overall)                 34 mm | 1.34 inch

4             Slide Width                         25,5 mm | 1.0 inch

5             Height incl.Mag.               139 mm | 5.47 inch

6             Line of Sight (Polymer)   191 mm | 7.52 inch

               Line of Sight (Steel)          190 mm | 7.48 inch

               Line of Sight (GNS)           189 mm | 7.44 inch

7             Trigger Distance**            70 mm | 2.76 inch

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps.  Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Glock 43

The already legendary Glock 43 is a Glock Single stack, 9mm Luger caliber pistol that is ultra-concealable, accurate and a fantastic tool for all shooters regardless of one’s hand size.

The G43 grip has a built-in beaver tail design which allows the shooter to acquire a high and tight grip. The aggressive texture of the grip surface allows for comfortable and reliable operation of the pistol.

The large magazine catch makes quick work of removing the six round magazine.

Engineered based on the same superlative standards that Glock is famous for, the tiny G43 tolerates the same torture tests all its bigger brothers in the Glock pistol family withstand.

1             Length (Overall)**           159 mm | 6.26 inch

2             Slide Length                        154 mm | 6.06 inch

3             Width (Overall)                 27 mm | 1.06 inch

4             Slide Width                         22 mm | 0.87 inch

5             Height incl.Mag.               108 mm | 4.25 inch

6             Line of Sight (Polymer)   133 mm | 5.24 inch

               Line of Sight (Steel)          132 mm | 5.20 inch

               Line of Sight (GNS)           131 mm | 5.16 inch

7             Trigger Distance**            65 mm | 2.56 inch

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps.  Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Glock 43X / Glock 43X MOS

Chambered in 9x19 the G43X MOS features slide cuts designed for specific micro-optics and the Glock Slim Mounting Rail for mounting accessories.

The perfect tactical partner in the well-known Glock Slimline design for comfortable concealability.

The G43X MOS has a short subcompact barrel length and a comfortably balanced, versatile compact-size grip with a minimal profile.

It incorporates elements of the Slimline series such as the short trigger distance, a frame with a built-in beavertail as seen on the G43 and the G42, a reversible magazine catch.

This model has the incredibly accurate, match-grade Glock Marksman Barrel (GMB) of the Gen5 series. The G43X MOS also features precision-milled front serrations.

The slim magazine is built in reliable Glock style, it has an orange magazine follower for higher visibility and is specifically developed to ensure the 10 rds magazine capacity.

Note: The G43X with the Modular Optic System (MOS) does not come with adapter plates.

1             Length (Overall)**           165 mm | 6.50 inch

2             Slide Length                        154 mm | 6.06 inch

3             Width (Overall)                 28 mm | 1.10 inch

4             Slide Width                         22 mm | 0.87 inch

5             Height incl.Mag.               128 mm | 5.04 inch

6             Line of Sight (Polymer)   133 mm | 5.24 inch

               Line of Sight (Steel)          132 mm | 5.20 inch

               Line of Sight (GNS)           131 mm | 5.16 inch

7             Trigger Distance**            67 mm | 2.64 inch

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps.  Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Glock 45 / Glock 45 MOS

The compact crossover pistol Glock 45 MOS in 9x19mm combines a compact slide with a full size frame and has all the benefits of a Gen5 model.

The slide in MOS configuration makes it easy to mount a reflex sight on the pistol’s slide without the need for a new slide or separate mounting system.

Utilizing the design and engineering Glock developed for its military pistol (G19X), combined with operator and worldwide Law Enforcement specifications.

The slide has the proven, superior Glock hard-surface finish nDLC in non-reflective black. It comes with front serrations (FS) which provide an additional tactile surface choice when manipulating the slide giving the operator positive traction even with wet or sweaty hand.

The frame is also subdued black, with a flared magazine well for fast reloads in critical situations.

Additional features include the smoother trigger pull, the enhanced texture for sure handling, a reversible magazine catch, ambidextrous slide stop lever, the Modular Backstrap System (MBS) for individual adjustability and the incredibly accurate, reliable Glock Marksman Barrel (GMB).

With the G45 MOS Glock has the next level of performance for service pistols - tested, proven and unmatched by any others.

1             Length (Overall)**           189 mm | 7.44 inch

2             Slide Length                        174 mm | 6.85 inch

3             Width (Overall)                 34 mm | 1.34 inch

4             Slide Width                         25,5 mm | 1.0 inch

5             Height incl.Mag.               139 mm | 5.47 inch

6             Line of Sight (Polymer)   157 mm | 6.18 inch

               Line of Sight (Steel)          156 mm | 6.14 inch

               Line of Sight (GNS)           155 mm | 6.10 inch

7             Trigger Distance**            70 mm | 2.76 inch

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps.  Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Glock 47 / Glock 47 MOS

The Glock 47 MOS was developed for the United States Customs and Border Protection (CBP) in 2019 and is now available to the commercial market.

The G47 MOS offers the same reliability and performance as the G17 Gen5 MOS, with a shortened dust cover and maintains parts compatibility with the G17 Gen5 MOS, G19 Gen5 MOS, and G45 MOS.

1             Length (Overall)**           202 mm | 7.95 inch

2             Slide Length                        186 mm | 7.32 inch

3             Width (Overall)                 34 mm | 1.34 inch

4             Slide Width                         25,5 mm | 1.00 inch

5             Height incl.Mag.               139 mm | 5.47 inch

6             Line of Sight (Polymer)   169 mm | 6.65 inch

               Line of Sight (Steel)          168 mm | 6.61 inch

               Line of Sight (GNS)           167 mm | 6.57 inch

7             Trigger Distance**            70 mm | 2.76 inch

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps.  Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Glock 48 MOS

Chambered in 9x19 the Glock 48 MOS features slide cuts designed for specific micro-optics and the Glock Slim Mounting Rail for mounting accessories. The perfect tactical partner with increased concealability.

The G48 MOS is of similar length and height as the compact size G19 but has the well-known Glock Slimline design with the reduced width of the pistol for perfect carrying comfort.

The frame features the Glock Slim Mounting Rail for mounting tactical accessories and incorporates elements of the Slimline series such the short trigger distance, a frame with a built-in beavertail, a reversible magazine catch and the incredibly accurate, match-grade Glock Marksman Barrel (GMB) of the Gen5 series.

The G48 Rail also features precision-milled front serrations.

The slim magazine is built in reliable Glock style, it has an orange magazine follower for higher visibility and is specifically developed to ensure the 10rds magazine capacity.

Note: The G48 with the Modular Optic System (MOS) does not come with adapter plates.

1             Length (Overall)**           185 mm | 7.28 inch

2             Slide Length                        174 mm | 6.85 inch

3             Width (Overall)                 28 mm | 1.10 inch

4             Slide Width                         22 mm | 0.87 inch

5             Height incl.Mag.               128 mm | 5.04 inch

6             Line of Sight (Polymer)   152 mm | 5.98 inch

               Line of Sight (Steel)          151 mm | 5.94 inch

               Line of Sight (GNS)           150 mm | 5.91 inch inch

7             Trigger Distance**            67 mm | 2.64 inch

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps.  Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Glock 22 / Glock 22 Gen5 Glock 22 MOS

The 40 S&W caliber closes the gap between the .45 Auto calibers and the 9x19 service calibers. Glock was also the first manufacturer to make the advantages of this balanced caliber accessible to law enforcement agencies.

The Glock 22 is now available with Gen5 technologies including a flared mag-well, the enhanced Glock Marksman barrel (GMB) for increased accuracy, and an ambidextrous slide stop lever and in MOS configuration.

1             Length (Overall)**           202 mm | 7.95 inch

2             Slide Length                        186 mm | 7.32 inch

3             Width (Overall)                 34 mm | 1.34 inch

4             Slide Width                         27.5 mm | 1.08 inch

5             Height incl.Mag.               140 mm | 5.51 inch

6             Line of Sight (Polymer)   168 mm | 6.61 inch

               Line of Sight (Steel)          167 mm | 6.57 inch

               Line of Sight (GNS)           166 mm | 6.54 inch

7             Trigger Distance**            70 mm | 2.76 inch 

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps.  Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Glock 23 Gen5 MOS

Having survived endurance tests and use by numerous Law Enforcement agencies, the Glock 23 MOS pistol has repeatedly demonstrated its world-class durability and reliability in the most adverse conditions.

Glock's compact 40 S&W, now features the latest Gen5 technologies including a flared mag-well, enhanced Glock Marksman barrel (GMB) for increased accuracy, and an ambidextrous slide stop lever.

1             Length (Overall)**           185 mm | 7.28 inch

2             Slide Length                        174 mm | 6.85 inch

3             Width (Overall)                 34 mm | 1.34 inch

4             Slide Width                         27.5 mm | 1.08 inch

5             Height incl.Mag.               129 mm | 5.08 inch

6             Line of Sight (Polymer)   156 mm | 6.14 inch

               Line of Sight (Steel)          155 mm | 6.10 inch

               Line of Sight (GNS)           154 mm | 6.06 inch

7             Trigger Distance**            70 mm | 2.76 inch

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps.  Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Glock 27 Gen5

With the release of the Glock 27 Gen5 in 40 S&W the Gen5 family gets a new member.

The innovative Gen5 design changes are added to this small, light, accurate and powerful pistol that so many U.S. law enforcement agencies have chosen as their official backup weapon.

By applying the Gen5 technology this model comes with a flared mag-well, the proven Glock Marksman barrel (GMB) and an ambidextrous slide stop lever.

Adjustable like the Gen4 model the subcompact frame of the G27 Gen5 features the modular backstrap and beavertail system (MBS) and comes with a reversible magazine catch to accommodate left and right-handed operators.

Note: The slide width of the 40 S&W Gen5 models is slightly bigger compared to the previous generation. Please consider when choosing your holster.

1             Length (Overall)**           163 mm | 6.42 inch

2             Slide Length                        159 mm | 6.26 inch

3             Width (Overall)                 33 mm | 1.30 inch

4             Slide Width                         27.5 mm | 1.08 inch

5             Height incl.Mag.               107 mm | 4.21 inch

6             Line of Sight (Polymer)   137 mm | 5.39 inch

               Line of Sight (Steel)          136 mm | 5.35 inch

               Line of Sight (GNS)           135 mm | 5.31 inch

7             Trigger Distance**            70 mm | 2.76 inch

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps.  Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Glock 35 Gen4 / Glock 35 MOS

The Glock 35 Gen4 in MOS configuration combines an extended barrel, longer slide dimensions and elongated distance between the sights with the MOS concept, making it easy to mount a reflex sight on the pistol’s slide without the need for a new slide or separate mounting system.

The Modular back strap system makes it possible to instantly customize its grip to accommodate any hand size.

The reversible magazine catch makes it ideal for left and right-handed shooters.

1             Length (Overall)**           222 mm | 8.74 inch

2             Slide Length                        207 mm | 8.15 inch

3             Width (Overall)                 33 mm | 1.30 inch

4             Slide Width                         25,5 mm | 1.0 inch

5             Height incl.Mag.               139 mm | 5.47 inch

6             Line of Sight (Polymer)   191 mm | 7.52 inch

               Line of Sight (Steel)          190 mm | 7.48 inch

               Line of Sight (GNS)           189 mm | 7.44 inch

7             Trigger Distance**            70 mm | 2.76 inch

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps.  Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Glock 21 / Glock 21 Gen5 / Glock 21 MOS

Remarkable for its accuracy and light recoil, the Glock 21 delivers the power of the 45 Auto round with high magazine capacity.

The Modular Back Strap system makes it possible to instantly customize its grip to accommodate any hand size. The reversible magazine catch makes it ideal for left and right-handed shooters.

With the new addition of the .45 AUTO in the Gen5 lineup, the G21 Gen5 MOS delivers improved accuracy, light recoil, and now has the option to install an optic.

All of the Gen5 qualities are present in this compact-size pistol: The latest Glock nDLC surface finish, unmatched in hardness and rust resistance; the high traction Gen5 frame texture, quickly reversible magazine catch, ambidextrous slide stop lever, the Glock Modular Backstrap System (MBS) for individual operator adjustability, the universally acclaimed Glock Safe Action® System and high visibility orange magazine followers.

1             Length (Overall)**           205 mm I 8.07 inch

2             Slide Length                        191 mm I 7.52 inch

3             Width (Overall)                 35 mm I 1.38 inch

4             Slide Width                         28,5 mm I 1.12 inch

5             Height incl.Mag.               140 mm I 5.51 inch

6             Line of Sight (Polymer)   176 mm I 6.93 inch

               Line of Sight (Steel)          175 mm I 6.89 inch

               Line of Sight (GNS)           174 mm I 6.85 inch

7             Trigger Distance**            72,5 mm I 2.85 inch

*FOR GEN4/GEN5 MODELS: Check out the Gen5 and Gen4 Technology area for medium/large backstraps.  Technical Data are rounded and do not reflect tolerances – they may be altered without notice! Subject to technical changes.


Glock 30 / Glock 30 Gen5

The Glock 30 pistol chambered in .45 AUTO offers excellent accuracy straight out of the box, with the added benefit of the ballistic power of the .45 AUTO cartridge.

The G30 Gen5 now features the Glock Marksman Barrel (GMB), delivering increased accuracy with polygonal rifling and an improved barrel crown.

Other features include the removal of the finger grooves and an ambidextrous slide. It comes with front serrations (FS) which provide an additional tactile surface choice when manipulating the slide giving the operator positive traction even with wet or sweaty hand.