Glock 43X vs 48 vs 43: Size & Specs Compared (Glock Data)

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

Glock 43, 43X and 48 specs side by side

All five are 9x19 mm Glocks. The MOS versions are listed separately. Every value is from Glock’s own product page, linked in the column heading.

Glock G43, G43X, G43X MOS, G48 and G48 MOS. All values are the maker’s own, as shown on its product page. — means the page gives no value.
Measure	G43	G43X	G43X MOS	G48	G48 MOS
Caliber	9x19 mm	9x19 mm	9x19 mm	9x19 mm	9x19 mm
Standard capacity	6	10	10	10	10
Barrel length	3.41 in	3.41 in	3.41 in	4.17 in	4.17 in
Slide length	6.06 in	6.06 in	6.06 in	6.85 in	6.85 in
Overall length	6.26 in	6.50 in	6.50 in	7.28 in	7.28 in
Height Glock’s label: “Height incl. Mag.”	4.25 in	5.04 in	5.04 in	5.04 in	5.04 in
Width Glock’s label: “Width (Overall)”	1.06 in	1.10 in	1.10 in	1.10 in	1.10 in
Slide width	0.87 in	0.87 in	0.87 in	0.87 in	0.87 in
Weight (figure 1) Glock’s label: “without magazine”	16.23 oz	16.40 oz	16.26 oz	18.48 oz	18.31 oz
Weight (figure 2) Glock’s label: “with empty magazine”	17.99 oz	18.70 oz	18.55 oz	20.74 oz	20.60 oz
Trigger pull	24 N	24 N	24 N	24 N	24 N
Optic-ready (as listed)	no	no	yes (MOS)	no	yes (MOS)

Glock 48 vs 43X: the differences

Same maker, same definitions, so the subtraction is fair. Larger minus smaller, calculated by GunReleases.

G48 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	4.17 − 3.41 = 0.76 in	G48 is 0.76 in longer than G43X
Overall length	Glock spec line	7.28 − 6.50 = 0.78 in	G48 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)”	1.10 = 1.10	Equal: both list 1.10 in
Weight	Glock: “without magazine”	18.48 − 16.40 = 2.08 oz	G48 is 2.08 oz heavier than G43X
Weight	Glock: “with empty magazine”	20.74 − 18.70 = 2.04 oz	G48 is 2.04 oz heavier than G43X

Glock 43 vs 43X: the differences

G43X vs G43: 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	3.41 = 3.41	Equal: both list 3.41 in
Overall length	Glock spec line	6.50 − 6.26 = 0.24 in	G43X is 0.24 in longer than G43
Height	Glock: “Height incl. Mag.”	5.04 − 4.25 = 0.79 in	G43X is 0.79 in taller than G43
Width	Glock: “Width (Overall)”	1.10 − 1.06 = 0.04 in	G43X is 0.04 in wider than G43
Weight	Glock: “without magazine”	16.40 − 16.23 = 0.17 oz	G43X is 0.17 oz heavier than G43
Weight	Glock: “with empty magazine”	18.70 − 17.99 = 0.71 oz	G43X is 0.71 oz heavier than G43

What Glock says about the G48

“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. For the numbers behind it see Glock 19 vs 43X vs 48.

Which to pick (on paper)

If you want the longest barrel of the five: the G48 and G48 MOS list 4.17 in against 3.41 in for the G43, G43X and G43X MOS, a 0.76 in difference calculated by GunReleases (4.17 − 3.41). Glock G48 page.
If you want the shortest height at the grip: the G43 lists 4.25 in (“Height incl. Mag.”) against 5.04 in for the G43X and G48, a 0.79 in difference calculated by GunReleases (5.04 − 4.25). Glock G43 page.
If you want more rounds: the G43 lists 6 standard capacity; the G43X and G48 list 10. Glock G43X page.
If you want an optic-ready slide: the G43X MOS and G48 MOS are listed “yes (MOS)”; the G43, G43X and G48 are listed “no”. Glock G43X MOS page.
If you want the lightest on paper: the G43 lists 16.23 oz without magazine against 16.40 oz for the G43X and 18.48 oz for the G48. Glock G43 page.

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

Frequently asked questions

How much longer is the Glock 48 than the 43X?

On Glock's figures the G48 has a 4.17 in barrel against 3.41 in, and a 7.28 in overall length against 6.50 in. That is 0.76 in and 0.78 in, calculated by GunReleases (4.17 - 3.41 and 7.28 - 6.50). Both list a height of 5.04 in.

Is the Glock 48 the same height as the 43X?

Yes, on Glock's numbers. Both list 5.04 in under "Height incl. Mag.".

Which of these Glocks is listed as optic-ready?

Glock lists the G43X MOS and G48 MOS as "yes (MOS)". The G43, G43X and G48 are listed "no" in our data.

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

The G43 lists 4.25 in under "Height incl. Mag." and the G43X lists 5.04 in, a 0.79 in difference calculated by GunReleases (5.04 - 4.25). Overall length is 6.26 in against 6.50 in.

What does Glock say the G48 is like?

Glock's G48 page says: "similar length and height as the compact size G19 but has the well-known GLOCK Slimline design".

Sources

Last checked 2026-11-04.

Glock 43X vs Glock 48 vs Glock 43: Specs Side by Side