Glock 19 vs 43X vs 48: Size Difference by the Numbers

By Cole Harlan, EditorChecked Nov 4, 2026How we verifyEditorial standardsCorrections

Glock 19 Gen6, 19 V, 43X and 48 side by side

The G19 is Glock’s compact; the G43X and G48 are its slim 9mm guns. Every value is from Glock’s own product page, linked in the column heading.

Glock G19 Gen6, G19 V, G43X and G48. All values are the maker’s own, as shown on its product page. — means the page gives no value.
Measure	G19 Gen6	G19 V	G43X	G48
Caliber	9x19 mm	9x19 mm	9x19 mm	9x19 mm
Standard capacity	15	15; also 17 / 24 / 31 / 33	10	10
Barrel length	4.02 in	4.02 in	3.41 in	4.17 in
Slide length	6.85 in	6.85 in	6.06 in	6.85 in
Overall length	7.28 in	7.28 in	6.50 in	7.28 in
Height Glock’s label: “Height incl. Mag.”	5.04 in	5.04 in	5.04 in	5.04 in
Width Glock’s label: “Width (Overall)”	1.35 in	1.34 in	1.10 in	1.10 in
Slide width	1.00 in	1.00 in	0.87 in	0.87 in
Weight (figure 1) Glock’s label: “without magazine”	20.11 oz	21.52 oz	16.40 oz	18.48 oz
Weight (figure 2) Glock’s label: “with empty magazine”	22.58 oz	23.63 oz	18.70 oz	20.74 oz
Trigger pull	26 N	26 N	24 N	24 N
Optic-ready (as listed)	—	—	no	no

Glock 19 Gen6 vs 43X: the differences

Same maker, same definitions. Larger minus smaller, calculated by GunReleases.

G19 Gen6 vs G43X: differences calculated by GunReleases from Glock’s published figures (larger minus smaller). Same maker and same definition for both guns.
Measure	Glock’s definition	Formula (calculated by GunReleases)	Result
Barrel length	Glock spec line	4.02 − 3.41 = 0.61 in	G19 Gen6 is 0.61 in longer than G43X
Overall length	Glock spec line	7.28 − 6.50 = 0.78 in	G19 Gen6 is 0.78 in longer than G43X
Height	Glock: “Height incl. Mag.”	5.04 = 5.04	Equal: both list 5.04 in
Width	Glock: “Width (Overall)”	1.35 − 1.10 = 0.25 in	G19 Gen6 is 0.25 in wider than G43X
Weight	Glock: “without magazine”	20.11 − 16.40 = 3.71 oz	G19 Gen6 is 3.71 oz heavier than G43X
Weight	Glock: “with empty magazine”	22.58 − 18.70 = 3.88 oz	G19 Gen6 is 3.88 oz heavier than G43X

Glock 19 V vs 43X

G19 V vs G43X: differences calculated by GunReleases from Glock’s published figures (larger minus smaller). Same maker and same definition for both guns.
Measure	Glock’s definition	Formula (calculated by GunReleases)	Result
Barrel length	Glock spec line	4.02 − 3.41 = 0.61 in	G19 V is 0.61 in longer than G43X
Overall length	Glock spec line	7.28 − 6.50 = 0.78 in	G19 V is 0.78 in longer than G43X
Height	Glock: “Height incl. Mag.”	5.04 = 5.04	Equal: both list 5.04 in
Width	Glock: “Width (Overall)”	1.34 − 1.10 = 0.24 in	G19 V is 0.24 in wider than G43X
Weight	Glock: “without magazine”	21.52 − 16.40 = 5.12 oz	G19 V is 5.12 oz heavier than G43X
Weight	Glock: “with empty magazine”	23.63 − 18.70 = 4.93 oz	G19 V is 4.93 oz heavier than G43X

Glock 48 vs 19 Gen6

“similar length and height as the compact size G19 but has the well-known GLOCK Slimline design”
Glock, on its G48 product page

Glock’s sentence names the G19 without a generation. Against the G19 Gen6 on Glock’s pages, the G48 lists the same 7.28 in overall length and 5.04 in height; the width is 1.10 in against 1.35 in.

G19 Gen6 vs G48: differences calculated by GunReleases from Glock’s published figures (larger minus smaller). Same maker and same definition for both guns.
Measure	Glock’s definition	Formula (calculated by GunReleases)	Result
Barrel length	Glock spec line	4.17 − 4.02 = 0.15 in	G48 is 0.15 in longer than G19 Gen6
Overall length	Glock spec line	7.28 = 7.28	Equal: both list 7.28 in
Height	Glock: “Height incl. Mag.”	5.04 = 5.04	Equal: both list 5.04 in
Width	Glock: “Width (Overall)”	1.35 − 1.10 = 0.25 in	G19 Gen6 is 0.25 in wider than G48
Weight	Glock: “without magazine”	20.11 − 18.48 = 1.63 oz	G19 Gen6 is 1.63 oz heavier than G48
Weight	Glock: “with empty magazine”	22.58 − 20.74 = 1.84 oz	G19 Gen6 is 1.84 oz heavier than G48

Glock 26 vs 43X

The G26 V is Glock’s subcompact; here it sits next to the G43X.

Glock G26 V and G43X. All values are the maker’s own, as shown on its product page. — means the page gives no value.
Measure	G26 V	G43X
Caliber	9x19 mm	9x19 mm
Standard capacity	10; also 15 / 17 / 19 / 24 / 31 / 33 / 12	10
Barrel length	3.43 in	3.41 in
Slide length	6.26 in	6.06 in
Overall length	6.42 in	6.50 in
Height Glock’s label: “Height incl. Mag.”	4.17 in	5.04 in
Width Glock’s label: “Width (Overall)”	1.30 in	1.10 in
Slide width	1.0 in	0.87 in
Weight (figure 1) Glock’s label: “without magazine”	19.72 oz	16.40 oz
Weight (figure 2) Glock’s label: “with empty magazine”	21.69 oz	18.70 oz
Trigger pull	26 N	24 N
Optic-ready (as listed)	—	no

G43X vs G26 V: differences calculated by GunReleases from Glock’s published figures (larger minus smaller). Same maker and same definition for both guns.
Measure	Glock’s definition	Formula (calculated by GunReleases)	Result
Barrel length	Glock spec line	3.43 − 3.41 = 0.02 in	G26 V is 0.02 in longer than G43X
Overall length	Glock spec line	6.50 − 6.42 = 0.08 in	G43X is 0.08 in longer than G26 V
Height	Glock: “Height incl. Mag.”	5.04 − 4.17 = 0.87 in	G43X is 0.87 in taller than G26 V
Width	Glock: “Width (Overall)”	1.30 − 1.10 = 0.20 in	G26 V is 0.20 in wider than G43X
Weight	Glock: “without magazine”	19.72 − 16.40 = 3.32 oz	G26 V is 3.32 oz heavier than G43X
Weight	Glock: “with empty magazine”	21.69 − 18.70 = 2.99 oz	G26 V is 2.99 oz heavier than G43X

Which to pick (on paper)

If narrow matters most: the G43X and G48 list 1.10 in “Width (Overall)” against 1.35 in for the G19 Gen6 and 1.34 in for the G19 V. Glock G43X page.
If you want the most rounds on paper: the G19 Gen6 and G19 V list 15 standard capacity (the G19 V also lists 17 / 24 / 31 / 33); the G43X and G48 list 10. Glock G19 Gen6 page.
If barrel length is the priority: the G48 lists 4.17 in, the G19 Gen6 and G19 V 4.02 in, and the G43X 3.41 in. Glock G48 page.
If you need a shorter grip than all four: none of them; they all list 5.04 in under “Height incl. Mag.”. The G26 V lists 4.17 in. Glock G26 V page.
If weight matters: the G43X lists 16.40 oz without magazine against 20.11 oz for the G19 Gen6 and 21.52 oz for the G19 V. Glock G43X page.

We have not range-tested these; facts below are from the makers.

Frequently asked questions

Is the Glock 43X as tall as the Glock 19?

On Glock's figures, yes: the G19 Gen6, G19 V, G43X and G48 all list 5.04 in under "Height incl. Mag.".

How much narrower is the Glock 43X than the Glock 19 Gen6?

Glock lists "Width (Overall)" of 1.10 in for the G43X and 1.35 in for the G19 Gen6, a 0.25 in difference calculated by GunReleases (1.35 - 1.10).

How much shorter is the Glock 26 V than the 43X?

Glock lists "Height incl. Mag." of 4.17 in for the G26 V and 5.04 in for the G43X, a 0.87 in difference calculated by GunReleases (5.04 - 4.17). The G26 V is wider: 1.30 in against 1.10 in.

Where are the Glock 17 and 45?

This page covers the compact and slim guns. For the full-size guns see Glock 17 vs 19 vs 45 Gen 6.

Sources

Last checked 2026-11-04.

Glock 19 vs Glock 43X vs Glock 48: Specs Compared