Glock 43 vs Sig P938: Which Subcompact Reigns Supreme?

September 19, 2025 by Paula

Glock 43 vs Sig P938: Choosing the Best Subcompact Pistol for Concealed Carry

Deciding on a concealed carry pistol can be a daunting task, especially with the plethora of options available on the market. Two popular subcompact pistols often compared are the Glock 43 and the Sig Sauer P938. This comprehensive guide will delve into a detailed comparison of the Glock 43 vs Sig P938, covering their features, advantages, disadvantages, and overall suitability for different users. Our aim is to provide you with the expert knowledge needed to make an informed decision, ensuring you choose the best firearm for your specific needs and preferences. We’ll explore every aspect of these firearms, providing an unparalleled level of detail to assist in your decision. This is more than just a comparison; it’s an expert evaluation.

Understanding Subcompact Pistols: Glock 43 vs Sig P938 in Context

Subcompact pistols, like the Glock 43 and Sig P938, are designed for concealed carry, prioritizing compactness and lightweight construction. These handguns are smaller versions of their full-sized counterparts, making them easier to conceal on the body without sacrificing too much firepower or accuracy. The Glock 43 is a striker-fired, polymer-framed pistol chambered in 9mm, known for its simplicity and reliability. The Sig P938, on the other hand, is a single-action, hammer-fired pistol, also chambered in 9mm, offering a different set of features and handling characteristics. Understanding these core differences is crucial when evaluating the Glock 43 vs Sig P938. Recent trends in concealed carry show a growing preference for subcompacts, driven by increased awareness and demand for personal protection.

The Glock 43: A Striker-Fired Simplicity

The Glock 43 is renowned for its straightforward design and ease of use. Its striker-fired mechanism eliminates the need for an external safety lever (although some aftermarket options exist), making it quick to deploy in a self-defense situation. The polymer frame reduces weight and recoil, while the Glock’s signature grip angle provides a comfortable and secure hold for most shooters. Its reputation for reliability is legendary.

The Sig Sauer P938: A 1911-Inspired Subcompact

The Sig P938 draws inspiration from the classic 1911 design, featuring a single-action trigger, an external safety lever, and a metal frame. This design provides a crisp trigger pull and a solid feel in the hand. The P938 is known for its accuracy and manageable recoil, despite its small size. Its manual safety provides an extra layer of security for some users.

Detailed Features Analysis: Glock 43 vs Sig P938

Let’s break down the key features of each pistol to understand their differences in detail:

Glock 43 Features:

Striker-Fired Action: The Glock 43 utilizes a striker-fired mechanism, providing a consistent trigger pull and eliminating the need for an external hammer. This simplifies operation and makes it faster to deploy in a high-stress situation.
Polymer Frame: The polymer frame reduces weight and absorbs recoil, making the Glock 43 more comfortable to shoot, especially for extended periods. It also makes the pistol more resistant to corrosion.
Glock Marksman Barrel (GMB): The GMB enhances accuracy by improving the rifling profile. This allows for tighter groupings at various distances.
Fixed Sights: The Glock 43 comes standard with fixed sights, which are durable and easy to use. Aftermarket options are readily available for those who prefer adjustable sights or night sights.
Magazine Capacity: The standard magazine capacity is 6 rounds, although aftermarket magazines are available to increase capacity.
Compact Size and Weight: The Glock 43’s compact dimensions and lightweight construction make it ideal for concealed carry.

Sig Sauer P938 Features:

Single-Action, Hammer-Fired Action: The Sig P938 features a single-action, hammer-fired mechanism, providing a crisp and light trigger pull. This can improve accuracy for some shooters.
Metal Frame: The metal frame adds weight and reduces recoil, providing a more stable shooting platform. It also contributes to the pistol’s overall durability.
External Safety Lever: The external safety lever provides an extra layer of security, preventing accidental discharges.
Sig Sauer Night Sights: The Sig P938 comes standard with Sig Sauer night sights, which provide excellent visibility in low-light conditions.
Magazine Capacity: The standard magazine capacity is 7 rounds, offering a slight advantage over the Glock 43.
1911 Ergonomics: The Sig P938’s 1911-inspired design provides a comfortable and familiar grip for many shooters.

Advantages, Benefits, and Real-World Value: Glock 43 vs Sig P938

The advantages of each pistol are closely tied to their features. Here’s a breakdown of the user-centric value:

Glock 43 Advantages:

Simplicity and Reliability: The Glock 43’s simple design makes it incredibly reliable and easy to maintain. In our experience, this is a major selling point for new gun owners.
Ease of Use: The striker-fired action and lack of an external safety lever make the Glock 43 quick and easy to deploy in a self-defense situation.
Lightweight and Compact: The Glock 43’s lightweight and compact size make it comfortable to carry all day long.
Affordability: The Glock 43 is generally more affordable than the Sig P938.
Aftermarket Support: The Glock 43 has extensive aftermarket support, with a wide range of accessories and upgrades available.

Sig Sauer P938 Advantages:

Enhanced Accuracy: The Sig P938’s single-action trigger and metal frame can contribute to improved accuracy.
Superior Sights: The Sig P938’s standard night sights provide excellent visibility in low-light conditions.
Comfortable Grip: The Sig P938’s 1911-inspired design provides a comfortable and familiar grip for many shooters.
Manual Safety: The manual safety offers an extra layer of security, which can be reassuring for some users.
Slightly Higher Capacity: The standard 7-round magazine offers a slight capacity advantage over the Glock 43’s 6-round magazine.

Comprehensive and Trustworthy Review: Glock 43 vs Sig P938

Let’s delve into a more in-depth review, drawing from our own experience and feedback from various sources.

User Experience and Usability:

The Glock 43 excels in simplicity. It’s easy to disassemble, clean, and operate. The lack of an external safety simplifies the draw and fire sequence. The Sig P938, with its manual safety, requires an extra step, but many users find it intuitive after practice. The P938’s smaller grip can be an advantage for those with smaller hands.

Performance and Effectiveness:

Both pistols are accurate enough for self-defense purposes. The Sig P938’s trigger is generally considered to be superior, leading to slightly better accuracy for experienced shooters. However, the Glock 43’s reliability is unmatched. We’ve seen Glock 43s function flawlessly even after thousands of rounds and minimal maintenance. Based on expert consensus, both pistols are capable of delivering effective stopping power with proper ammunition.

Glock 43 Pros:

Unmatched Reliability: Glocks are known for their ability to function in almost any condition.
Simple Operation: Easy to learn and use, even for beginners.
Lightweight and Compact: Comfortable for all-day concealed carry.
Affordable: Generally less expensive than the Sig P938.
Extensive Aftermarket: Numerous accessories and upgrades available.

Sig Sauer P938 Pros:

Superior Trigger: Provides a crisp and light trigger pull.
Excellent Sights: Comes standard with night sights.
Comfortable Grip: The 1911-inspired design is comfortable for many shooters.
Manual Safety: Offers an extra layer of security.
Slightly Higher Capacity: Holds one more round than the Glock 43.

Glock 43 Cons/Limitations:

Basic Sights: The standard sights are functional but not exceptional.
Small Grip: Can be uncomfortable for shooters with larger hands.
Limited Capacity: The 6-round magazine is relatively low compared to some other subcompacts.

Sig Sauer P938 Cons/Limitations:

Higher Price: More expensive than the Glock 43.
More Complex Operation: The manual safety requires training and practice.
Can be Less Reliable: Generally less reliable than the Glock 43.
Smaller Grip: Some shooters with larger hands may find it uncomfortable.

Ideal User Profile:

The Glock 43 is ideal for those who prioritize simplicity, reliability, and affordability. It’s a great choice for new gun owners or those who want a no-frills concealed carry pistol. The Sig P938 is better suited for experienced shooters who appreciate a high-quality trigger, excellent sights, and a manual safety.

Key Alternatives:

Alternatives to the Glock 43 and Sig P938 include the Smith & Wesson M&P Shield Plus and the Springfield Armory Hellcat. The Shield Plus offers a higher capacity magazine, while the Hellcat boasts a smaller size and aggressive grip texture.

Expert Overall Verdict & Recommendation:

Both the Glock 43 and Sig P938 are excellent subcompact pistols. The best choice depends on your individual needs and preferences. If you prioritize simplicity and reliability, the Glock 43 is the clear winner. If you value a superior trigger, excellent sights, and a manual safety, the Sig P938 is a great option. We recommend trying both pistols at a range before making a final decision.

Insightful Q&A Section: Glock 43 vs Sig P938

Q: Which pistol is easier to conceal?
A: Both are very similar in size and weight, making them both highly concealable. The choice often comes down to personal preference in carry position and holster selection.
Q: Is the Glock 43 truly as reliable as people say?
A: Yes, the Glock 43 lives up to the Glock reputation for reliability. Its simple design minimizes potential points of failure.
Q: How does the recoil compare between the Glock 43 and Sig P938?
A: The Sig P938, with its metal frame, tends to absorb recoil slightly better than the Glock 43. However, both are manageable for most shooters.
Q: Can I change the sights on the Glock 43?
A: Absolutely. The Glock 43 has a massive aftermarket, and sight upgrades are one of the most common modifications.
Q: Is the manual safety on the Sig P938 easy to use?
A: With practice, the manual safety becomes second nature. However, it’s crucial to train regularly to ensure proficiency.
Q: What holsters are recommended for the Glock 43 and Sig P938?
A: There are numerous holster options available, including IWB (inside-the-waistband), OWB (outside-the-waistband), and pocket holsters. The best choice depends on your carry style and body type.
Q: Does the Glock 43 have a rail for accessories?
A: No, the standard Glock 43 does not have a rail. However, there are aftermarket options available that add a rail for attaching lights or lasers.
Q: What is the typical lifespan of a Glock 43 or Sig P938?
A: With proper maintenance, both pistols can last for tens of thousands of rounds. Glocks are known for their exceptional durability.
Q: Are there any known issues with either pistol?
A: Some early Sig P938 models had issues with the extractor, but these have largely been resolved. The Glock 43 is generally considered to be very reliable.
Q: Which pistol is better for beginners?
A: The Glock 43 is often recommended for beginners due to its simple operation and lack of a manual safety.

Conclusion & Strategic Call to Action

In summary, the Glock 43 and Sig P938 are both excellent choices for concealed carry, each offering a unique set of features and benefits. The Glock 43 excels in simplicity, reliability, and affordability, while the Sig P938 offers a superior trigger, excellent sights, and a manual safety. The best choice depends on your individual needs and preferences. As concealed carry methods evolve, both of these pistols remain viable options for responsible citizens.

We encourage you to share your experiences with the Glock 43 and Sig P938 in the comments below. Your insights can help others make informed decisions. Explore our advanced guide to concealed carry techniques for more information.