Glock 43 vs Glock 43X
Glock 43 vs 43X – Which Slimline 9mm Should You Carry?
Comparing Glock 43 vs 43X is one of the most common decisions for concealed carry buyers. Both are thin GLOCK Slimline 9mm pistols with the same barrel and slide length.
In simple terms, the Glock 43 is the smaller, lower-capacity option built for deep concealment, while the Glock 43X adds a longer grip, more capacity, and an accessory rail on current models.
If you are also choosing carry ammo, see our FMJ vs Hollow Point 9mm guide or browse more side-by-side pages in our comparison hub.
Quick Verdict
For most carry buyers:
- Glock 43X is the better all-around choice for everyday carry and range practice
- Glock 43 is the better choice when the smallest possible footprint matters most
Winner for most users: Glock 43X — nearly the same thickness as the 43, with a fuller grip and much more capacity.
Glock 43 vs 43X Comparison Table
| Feature | Glock 43 | Glock 43X |
|---|---|---|
| Caliber | 9mm (9x19) | 9mm (9x19) |
| Standard Capacity | 6 rounds | 10 rounds (15 on 2026 models) |
| Barrel Length | 3.41 in. | 3.41 in. |
| Overall Length | 6.26 in. | 6.50 in. |
| Height (with magazine) | 4.25 in. | 5.04 in. |
| Overall Width | 1.06 in. | 1.10 in. |
| Accessory Rail | No | Yes (GLOCK Slim Mounting Rail) |
| Best For | Deep concealment | All-around everyday carry |
Glock 43 Overview
The Glock 43 is GLOCK’s single-stack Slimline 9mm. GLOCK describes it as ultra-concealable, with a built-in beavertail and a 6-round standard magazine.
Its short grip is the main appeal. For pocket carry or very light clothing, the 43’s small footprint is hard to beat.
Glock 43X Overview
The Glock 43X uses the same slide length and 3.41-inch barrel as the 43, but pairs them with a longer, compact-size grip. Current models also add the GLOCK Slim Mounting Rail for a light or laser, and the G43X MOS version is cut for micro red dots.
That longer grip gives you room for your whole hand and more capacity, which is why the 43X is so often recommended for everyday carry.
Size and Concealability
From the side, these two pistols look very similar. The real difference is grip length. Based on GLOCK’s published specs, the 43X is about 0.79 inch taller than the 43, while being only 0.24 inch longer and 0.04 inch wider.
For most people carrying inside the waistband, the 43X is still easy to conceal. The 43 makes more sense when every bit of size matters.
Capacity and Magazines
This is where the 43X pulls ahead. The Glock 43 ships with a 6-round magazine. GLOCK’s G43X product page lists a 10-round standard magazine, and in April 2026 GLOCK announced that G43X pistols will come standard with new 15-round, metal, double-stack Slimline magazines starting in May 2026.
Because both versions are still on the market, check the listing for the exact magazine your G43X ships with. Also note that G43 and G43X magazines are not interchangeable, so buy magazines listed for your exact model.
Browse options like the ETS Glock 43 magazine or the ETS Glock 43X/48 magazine. Magazine capacity limits vary by state — always check our ammo and magazine laws guide.
Shootability
Both pistols share the same barrel length and trigger pull rating, so the difference at the range comes mostly from the grip. Many shooters find the 43X easier to control because they can get their whole hand on the gun.
Pros and Cons
Glock 43
Pros:
- Smallest footprint of the two
- Great for pocket or deep concealment
- Slightly lighter
Cons:
- 6-round standard capacity
- Short grip is harder to hold for some shooters
- No accessory rail
Glock 43X
Pros:
- Much higher capacity
- Full grip in a slim package
- Accessory rail and optic-ready MOS version
Cons:
- Longer grip is slightly harder to hide
- Does not share magazines with the G43
Who Should Choose What?
Choose the Glock 43 if maximum concealment is your top priority and you are comfortable with lower capacity.
Choose the Glock 43X if you want a slim carry pistol that is easier to shoot, holds more rounds, and can take a light or red dot.
Final Verdict
The Glock 43 and Glock 43X share the same barrel, slide length, and Slimline design. The choice really comes down to grip length and capacity.
For most carry buyers, the Glock 43X is the better all-around pick. If you need the smallest possible Glock 9mm, the Glock 43 is still a great choice.
Continue your research with our Best 9mm Ammo guide, our 115 vs 124 Grain 9mm comparison, and our comparison hub.
Frequently Asked Questions
Is the Glock 43X bigger than the Glock 43?
Yes, but mostly in the grip. Both use a 3.41-inch barrel and the same slide length, but the 43X is about 0.79 inch taller.
Do Glock 43 magazines fit the Glock 43X?
No. The G43 and G43X use different magazines, so always buy magazines listed for your exact model.
Which is better for concealed carry, the Glock 43 or 43X?
For most buyers, the 43X is the better all-around carry pistol. The 43 is usually the better choice for deep concealment.
Once you have picked your pistol, see the Crucial IWB for Glock 43/43X, browse our Glock holsters, or stock up in our 9mm ammo category. Buying online? See our how to buy guns online guide.