Sig P365 vs Glock 43: How They Compare

The Sig Sauer P365 and the Glock 43 are two of the most popular gun models on the market – and for good reason.

If you’re wondering about the pros and cons of the Sig P365 vs Glock 43, you’re not alone. While both popular pistols are incredibly similar in size and capability, there are some key differences that may help you make a decision if you’re considering one of these models for concealed carry or home defense.

Ultimately, the best gun model for you will come down to the specifics of what you are looking for in a firearm. So let’s get started!

Sig Sauer P365

Sig Sauer P365

The Sig P365 micro-compact pistol is hands-down one of the most popular and commonly used firearms for concealed carry.

This striker-fired gun is built with a lightweight stainless steel frame and a carbon steel barrel coated with a durable Nitron finish. The Sig is chambered in 9mm Luger and is rated for +P ammunition. It comes standard with two 10-round flush magazines, though an optional 12- or 15-round extended magazine is available for those who want a greater capacity.

The popular handgun is built with Sig’s XRAY3 day and night sights, a 3-dot tritium system designed to work well in both high- and low-light conditions.

Lightweight and easy to conceal, the Sig Sauer P365 is highly-rated and an excellent choice for everyday carry, home defense, or whatever you need it for. Looking for a Sig P365 holster? Be sure to check out our Holsters by Gun Mode page, where you can customize a Kydex holster for your carry gun.

Glock 43

Glock 43

The legendary Glock 43 is known for its accuracy and concealability and is an excellent option for shooters of all hand sizes.

This striker-fired pistol is built with a black polymer frame and a Tenifer-coated ordinance-grade steel slide. Chambered in 9mm Luger, this popular pistol comes standard with a 6-round magazine though extended magazines are available if you are looking for a higher capacity.

Featuring the signature Glock Safe-Action trigger system, the Glock 43 has the popular features of larger framed Glocks in a smaller, more compact package.

Comfortable, concealable, and durable, the Glock 43 is a great choice for whatever you might need, especially if that is concealed carry. If you’re looking for a Glock 43 holster, check out our Holsters by Gun Mode page here.

Specifications: Sig P365 vs Glock 43

9mm Luger
9mm Luger
Barrel Length
17.8 oz
17.99 oz

Size & Capacity

When comparing the Glock 43 vs P365 in size, you’ll see the two pistols are incredibly similar in size with the P365 coming in slightly smaller despite its higher round capacity.

The Sig Sauer P365 is 4.3” tall, 5.8” long, and 1.06” wide, with a barrel length of 3.1” and a weight of 17.8 ounces. The Glock 43 is 4.25” tall, 6.26” long, and 1.06” wide, with a barrel length of 3.41” and a weight of 17.99 ounces.

The Glock 43 capacity is 6+1 rounds, while the Sig P365 comes standard with a 10-round magazine. Both pistols have extended magazine options to increase the capacity if that is something you are looking for.

Sig P365 and Vedder Holster P365 Kydex holster



The Sig Sauer P365 is built with a micro-compact black stainless steel frame and finish and a polymer grip. If you are looking for a little extra grip length, you can replace the frame with the longer Sig P365 XL frame, though the standard frame works great as-is.

The Glock 43 is built with a black polymer frame and built-in beaver tail design for a high and tight grip.

Slide & Barrel

While the Glock 43 features a Tenifer-coated ordinance-grade steel slide, the Sig P365 has a stainless steel slide with a Nitron finish and carbon steel barrel. Both finishes are designed to protect against scratches and corrosion.

When it comes to serrations, the P365 takes the lead. The Glock 43 features no front or rear serrations, while the Sig Sauer P365 has both.

Sights & Optics

If sights are important in helping you choose which gun is right for you, the Sig P365 is the clear winner.

The P365 comes standard with Sig’s X-RAY3 day and night sights, a 3-dot tritium system designed for natural target acquisition in any lighting condition. The X-RAY3 has a 4.9” sight radius and is crafted with an oversized chemical-resistant fluorescent polymer front dot. The tritium sights are surrounded by steel to protect them from recoil, cleaning solvents, and the elements.

The Glock 43 comes equipped with Glock’s standard plastic sights. This doesn’t have to be a dealbreaker, however, as both gun models are easily upgradable to sights of your choice.

Neither of these guns comes optics-ready or is available in an optics-ready variation.

Glock 43 and Vedder Holster Glock 43 Kydex holster



If you are looking for a gun with a manual safety, the P365 comes out on top.

While neither gun comes standard with a manual safety, the P365 is now available in a version that does offer a manual safety option. The Glock 43 features Glock’s internal Safe Action Trigger System.

The Safe Action System does provide protection if the pistol is dropped, though it doesn’t offer the same protection as the Sig’s manual safety.


When comparing the trigger of these two striker-fired pistols you’ll find they have approximately the same pull weight of approximately 6 pounds.

Which is Right for Me?

At the end of the day, you can’t go wrong with either the Glock 43 or the Sig P365 for concealed carry or home defense.

Ultimately, when comparing the Sig P365 vs Glock 43, it comes down to what fits your needs. If you are looking for a higher capacity or better sights, the Sig Sauer P365 might be the best choice for you. On the other hand, if you want everything a full-size Glock has to offer in a more concealable size, the G43 may be the right choice.

If you’re looking for belts or holsters for the Sig P365 or Glock 43, we recommend visiting our Holsters by Gun Model page. For all of our belt and holster options and for more information to help you choose the carry system that works best for you, visit our Vedder Holsters website.

Looking for items beyond holsters and belts? Check out our Resources Page for popular product links like lights, lasers, first aid, maintenance, and more.