The Battle of Glock 43X vs. Sig Sauer P365

01/2025
🕒 3 mins

When it comes to concealed carry, two names often dominate the conversation: the Glock 43X and the Sig Sauer P365. Both are renowned for their reliability, performance, and suitability for everyday carry (EDC). But which one stands out as the better option? Let’s dive into the specifics to help you decide.


Overview of the Glock 43X

The Glock 43X, part of Glock’s Slimline series, offers a balance of simplicity and reliability. It’s a single-stack, 9mm pistol designed for concealed carry while maintaining Glock’s trademark durability and ease of use.

Key Features:

  • Capacity: 10+1 rounds (expandable with aftermarket magazines).
  • Barrel Length: 3.41 inches.
  • Overall Length: 6.5 inches.
  • Weight: 18.7 oz (unloaded).
  • Width: 1.1 inches.

The 43X boasts an ergonomic grip with a slightly longer frame than the Glock 43, providing better control and comfort. Glock’s safe-action trigger and predictable performance make it a favorite among shooters of all experience levels.


Overview of the Sig Sauer P365

The Sig Sauer P365 revolutionized the concealed carry world when it debuted, offering an impressive 10+1 capacity in an ultra-compact size. Its modularity, innovative design, and higher-capacity magazines have made it a top competitor in the EDC market.

Key Features:

  • Capacity: 10+1 rounds (standard) or 12+1/15+1 with extended magazines.
  • Barrel Length: 3.1 inches.
  • Overall Length: 5.8 inches.
  • Weight: 17.8 oz (unloaded).
  • Width: 1.06 inches.

The P365’s standout feature is its high-capacity magazine in a slim profile, coupled with excellent ergonomics and the smooth trigger pull Sig Sauer is known for.


Head-to-Head Comparison

1. Size and Concealability

Both pistols are compact and designed for easy concealment, but the P365 edges out slightly with its shorter overall length and lighter weight. While the 43X has a slightly longer grip for enhanced control, the P365’s shorter profile may better suit deep concealment.

  • Winner: Sig Sauer P365

2. Capacity

Both pistols start with a 10+1 capacity, but the P365 offers greater versatility with 12+1 and 15+1 magazine options without drastically affecting concealability. The Glock 43X can achieve similar capacities with aftermarket Shield Arms S15 magazines but at an additional cost.

  • Winner: Sig Sauer P365

3. Ergonomics and Grip

The Glock 43X provides a longer grip, which benefits shooters with larger hands. The Sig P365 has a more modular design, allowing users to customize with grip sleeves or larger magazines for additional comfort. Personal preference plays a huge role here, as both grips feel different in hand.

  • Winner: Tie

4. Trigger

The Sig P365 has a crisp, lighter trigger pull compared to Glock’s standard trigger, which is slightly heavier but consistent. For those who prioritize a smooth trigger for accurate shooting, the P365 has the edge.

  • Winner: Sig Sauer P365

5. Reliability and Durability

Glock is synonymous with rugged, no-nonsense reliability. The 43X, like all Glocks, is built to withstand harsh conditions and keep firing under almost any circumstance. While the P365 is reliable, its early models faced issues such as striker drag, which Sig has since addressed.

  • Winner: Glock 43X

6. Sights

The Sig P365 comes with excellent factory night sights (Sig X-Ray3), making it ready out of the box for low-light shooting. The Glock 43X, in its standard configuration, features Glock’s polymer sights, which many users upgrade.

  • Winner: Sig Sauer P365

7. Aftermarket Support

Glock has a massive aftermarket ecosystem, with endless options for holsters, triggers, sights, and magazines. While the P365 also has decent aftermarket support, it can’t compete with Glock’s extensive customization options.

  • Winner: Glock 43X

Which One Should You Choose?

Your choice between the Glock 43X and the Sig Sauer P365 depends on your personal needs and preferences. Here’s a quick breakdown:

  • Choose the Glock 43X if you prioritize:
    • Proven reliability and durability.
    • Extensive aftermarket customization.
    • A longer grip for better control.
  • Choose the Sig Sauer P365 if you prioritize:
    • Compact size and concealability.
    • Higher magazine capacity options.
    • Better factory sights and trigger.

Both firearms are exceptional choices for EDC, and you can’t go wrong with either. Try both at a range, if possible, to see which feels better in your hands and aligns with your shooting style.



The Glock 43X and Sig Sauer P365 represent the pinnacle of modern concealed carry pistols. Whether you lean toward Glock’s time-tested simplicity or Sig Sauer’s innovative design, you’re investing in a firearm that’s reliable, accurate, and built for the challenges of everyday carry.

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