No Comments Glock pistols are some of the most popular guns on the market, coming in a variety of calibers and barrel lengths.
If you’re anything like me, you like to compare the different sizes of pistols you might shoot or carry. That’s why I wanted to create a quick reference for the different Glock barrel lengths.
Glock Barrel Lengths
There are over 30 different models of Glock pistols, all with numerical names. It can get a little confusing. Here’s a chart of all the Glock models and their barrel lengths, sorted by caliber.
If you’re interested in the ammo capacities of each Glock pistol, be sure to check out our Glock Ammo Capacities guide.
| Glock Model | Caliber | Barrel Length | Size |
|---|---|---|---|
| G44 | .22LR | 4.02" | Compact |
| G42 | .380 Auto | 3.25" | Subcompact |
| G43 | 9mm | 3.41" | Subcompact |
| G43X | 9mm | 3.41" | Subcompact |
| G26 | 9mm | 3.43" | Subcompact |
| G19 | 9mm | 4.02" | Compact |
| G19X | 9mm | 4.02" | Compact |
| G45 | 9mm | 4.02" | Compact |
| G48 | 9mm | 4.17" | Compact |
| G17 | 9mm | 4.49" | Standard |
| G47 | 9mm | 4.49" | Standard |
| G34 | 9mm | 5.31" | Competition |
| G17L | 9mm | 6.02" | Long Slide |
| G33 | .357 Sig | 3.43" | Subcompact |
| G32 | .357 Sig | 4.02" | Compact |
| G31 | .357 Sig | 4.49" | Standard |
| G27 | .40 S&W | 3.43" | Subcompact |
| G23 | .40 S&W | 4.02" | Compact |
| G22 | .40 S&W | 4.49" | Standard |
| G35 | .40 S&W | 5.31" | Competition |
| G24 | .40 S&W | 6.02" | Long Slide |
| G30 | .45 Auto | 3.78" | Subcompact |
| G21 | .45 Auto | 4.61" | Standard |
| G41 | .45 Auto | 5.31" | Competition |
| G39 | .45 G.A.P. | 3.43" | Subcompact |
| G38 | .45 G.A.P. | 4.02" | Compact |
| G37 | .45 G.A.P. | 4.49" | Standard |
| G29 | 10mm | 3.78" | Subcompact |
| G20 | 10mm | 4.61" | Standard |
| G40 | 10mm | 6.02" | Long Slide |
9mm Glock Barrel Lengths
Glock makes 11 different pistols that shoot 9mm ammo. The pistols with the smallest barrel length are the G43 and G43X with a 3.41” barrel. The pistol with the longest barrel is the G17L with a barrel length at a whopping 6.02”.
| Glock Model | Caliber | Barrel Length | Size |
|---|---|---|---|
| G43 | 9mm | 3.41" | Subcompact |
| G43X | 9mm | 3.41" | Subcompact |
| G26 | 9mm | 3.43" | Subcompact |
| G19 | 9mm | 4.02" | Compact |
| G19X | 9mm | 4.02" | Compact |
| G45 | 9mm | 4.02" | Compact |
| G48 | 9mm | 4.17" | Compact |
| G17 | 9mm | 4.49" | Standard |
| G47 | 9mm | 4.49" | Standard |
| G34 | 9mm | 5.31" | Competition |
| G17L | 9mm | 6.02" | Long Slide |
Glock 19 and 19X Barrel Length
The Glock 19 and Glock 19X have a barrel length of 4.02″.
Glock 17 Barrel Length
The Glock 17 has a barrel length of 4.49″.
Glock 17L Barrel Length
The Glock 17L has a barrel length of 6.02″.
Glock 43 and 43X Barrel Length
The Glock 43 and Glock 43X have a barrel length of 3.41″.
Glock 34 Barrel Length
The Glock 34 has a barrel length of 5.31″.
Glock 26 Barrel Length (threaded barrel?)
The Glock 26 barrel length is 3.43″.
Glock 48 Barrel Length
The Glock 48 has a barrel length of 4.17″.
Glock 45 Barrel Length
The Glock 45 has a barrel length of 4.02″.
Glock 47 Barrel Length
The Glock 47’s barrel length is 4.49″.
.40 S&W Glock Barrel Lengths
| Glock Model | Caliber | Barrel Length | Size |
|---|---|---|---|
| G27 | .40 S&W | 3.43" | Subcompact |
| G23 | .40 S&W | 4.02" | Compact |
| G22 | .40 S&W | 4.49" | Standard |
| G35 | .40 S&W | 5.31" | Competition |
| G24 | .40 S&W | 6.02" | Long Slide |
Glock makes five different pistols that shoot .40 S&W ammo with barrel lengths ranging from 3.43″ to 6.02″.
Glock 22 Barrel Length
The Glock 22 has a barrel length of 4.49″.
Glock 23 Barrel Length
The Glock 23 has a barrel length of 4.02″.
Glock 27 Barrel Length
The Glock 27’s barrel length is 3.43″.
10mm Glock Barrel Lengths
| Glock Model | Caliber | Barrel Length | Size |
|---|---|---|---|
| G29 | 10mm | 3.78" | Subcompact |
| G20 | 10mm | 4.61" | Standard |
| G40 | 10mm | 6.02" | Long Slide |
Glock’s three pistols chambered in 10mm ammo range from 3.78″ to 6.02″.
Glock 20 Barrel Length
The Glock 20 has a barrel length of 4.61″.
Glock 29 Barrel Length
The Glock 29 subcompact 10mm pistol has a barrel length of 3.78″.
Glock 40 Barrel Length
The Glock 40 has a barrel length of 6.02″.
.45 ACP Barrel Lengths
| Glock Model | Caliber | Barrel Length | Size |
|---|---|---|---|
| G30 | .45 Auto | 3.78" | Subcompact |
| G21 | .45 Auto | 4.61" | Standard |
| G41 | .45 Auto | 5.31" | Competition |
While many think of the classic 1911 when we talk about the .45 ACP, Glock also makes three different pistols chambered in the caliber that won three World Wars.
Glock 30 Barrel Length
The Glock 30 is the smallest .45 ACP that Glock makes with a barrel length of 3.78″.
Glock 21 Barrel Length
The Glock 21’s barrel length is 4.61″.
Glock 41 Barrel Length
The Glock 41 has a barrel length of 5.31″.
Glock 42 Barrel Length
Glock’s only pistol chambered in .380 ACP, the Glock 42, has a barrel length of 3.25″.
Glock 44 Barrel Length
The lone Glock pistol chambered in .22LR is the Glock 44 with a barrel length of 4.02″.
.45 G.A.P. Barrel Lengths
| Glock Model | Caliber | Barrel Length | Size |
|---|---|---|---|
| G39 | .45 G.A.P. | 3.43" | Subcompact |
| G38 | .45 G.A.P. | 4.02" | Compact |
| G37 | .45 G.A.P. | 4.49" | Standard |
Last but not least, Glock produces three pistols in their own .45 G.A.P. caliber with barrel lengths ranging from 3.43″ to 4.49″.
