Unlocking 13 Critical Glock 42 Problems: What You Need to Know!

Embarking on my journey as a Glock enthusiast with the Glock 42, .380 ACP, uncertainty and caution mixed. 

This compact pistol, revered for its legendary reliability, targeted enthusiasts and concealed carry permit holders. 

However, the early days unveiled teething problems, causing frustrations among early adopters. 

After the last round, failure to feed and eject and unexpected slide lockbacks tarnished the Glock 42’s image. 

Ammunition sensitivity problems, stemming from various brands and loads, added to the malfunctions, painting a momentary picture of doom and gloom for this firearm.

Glock, Inc. displayed stability in trouble, swiftly implementing updates and modifications. 

As an early adopter, I witnessed the Glock 42’s evolution from frustration to a reliable concealed carry option. 

This article explores encountered problems, such as feed issues, cycling problems, MagGuts hiccups, and extractor challenges, shifting the focus from fretting to practical fixes. 

Through personal experiences and community discussions, tried and tested solutions are unveiled, providing valuable insights for Glock enthusiasts or those considering the Glock 42 for personal defense. 

This narrative emphasizes the firearm’s journey from frustration to victory, highlighting Glock, Inc.’s commitment to continuous improvement in the firearms industry.

Problems & Solutions at a Glance

13 ProblemsQuick Solutions
Failure to ExtractRegular cleaning, inspection and spring replacement.
Double FeedingInspect magazines, replace damaged ones, and use quality ammunition.
Limp WristingImprove grip strength and maintain wrist stability during firing.
Ammo SensitivityExperiment with various ammunition brands and loads.
Magazine IssuesRegular magazine inspection prevents Glock 42 malfunctions.
Slide Stop Lever & Connector ReplacementSeek professional help for Glock 42 slide repair.
Slide not Locking BackInspect magazine springs; upgrade if necessary.
Premature Slide LockInspect magazines, replace damaged parts, check slide stop.
Extraction & Ejection ProblemsMaintain, inspect, clean, and lubricate to resolve issues.
Ammunition SensitivityEnsure dry, controlled storage for Glock 42 reliability.
Cycling ProblemsStrategic adjustments, proper maintenance, and quality ammunition solved it.
Failure to FireReplace magazine for Glock 42 to resolve issue.
MagGuts ProblemsReturning to stock parts resolved Glock 42 issue.
Glock 42 Problems
Glock 42 Problems

Glock 42 problems and their Practical Solutions

1. Failure to Extract:

Extractor failures in familiar Glock 42 problems stand out, significantly impacting the pistol’s primary function. 

When the trigger is pulled, there are instances where the fired cartridge case remains stuck in the chamber, rendering the gun temporarily inoperable. 

Factors contributing to this issue include a dirty or fouled chamber, hindering the smooth extraction of spent cases. Damage to the small claw-like extractor component can also impede its correct functioning. 

Additionally, a weak extractor spring poses a challenge, as it needs more tension to pull the case effectively from the chamber. 

My experience underscores the importance of regular maintenance and understanding these intricacies for seamless and reliable performance. 


Regular cleaning and maintenance are crucial to address the Glock 42 problems of failure to extract. Keeping the chamber debris-free ensures smooth extraction. 

Frequent inspection for extractor damage or wear is advised, enabling early detection and timely replacement with a high-quality component. 

Addressing a weak extractor spring involves replacing it with a stronger one for improved reliability.

 Systematically addressing these causes allows Glock 42 owners to mitigate extraction issues, ensuring enhanced overall performance. 

My experience emphasizes the significance of these practices in maintaining functionality and achieving optimal performance, contributing to a smoother shooting experience for both seasoned enthusiasts and newcomers to the Glock 42 platform.

Read More: Top 5 Glock 36 Problems: Buyers Should Know

2. Double Feeding:

Double feeding occurs when two live rounds simultaneously feed into the chamber, causing a malfunction that can be frustrating and potentially dangerous. 

Several factors contribute to this problem, with magazine issues a common culprit. 

Damaged or worn-out magazines can lead to unreliable feeding, while weak magazine springs may fail to apply sufficient force to ensure proper ammunition feeding, resulting in double feeds. 

Additionally, using improper or low-quality ammunition can exacerbate the issue. 

My experience highlights the importance of maintaining high-quality magazines and using reliable ammunition to prevent double-feeding incidents and ensure a smoother shooting experience with the Glock 42.


To address the issue of double feeding with a systematic approach, it is necessary to begin by inspecting magazines thoroughly for signs of damage or wear. 

Replacing problematic magazines is crucial in preventing further issues. 

If the problem lies with weak magazine springs, consider replacing them with new, high-quality ones to significantly improve the feeding process and reduce the occurrence of double feeds. 

Lastly, always use reputable, high-quality ammunition with your Glock 42 to minimize the chances of double feeding and ensure smooth, reliable operation. 

My personal experience underscores the effectiveness of this approach, emphasizing the importance of regular inspections and investing in quality magazines and ammunition for a trouble-free shooting experience with the Glock 42.

3. Limp Wristing:

Limp wristing is not just a shooting technique problem; it’s a fundamental issue with the shooter’s grip, where the weak wrist lacks the necessary rigidity during firing. 

This can lead to disruptions in the pistol’s cycling, causing malfunctions. 

Limp wristing results from inconsistent grip strength and improper wrist positioning, where the shooter’s grip lacks firmness and the wrist isn’t properly locked. 

Consequently, the pistol may not cycle correctly, leading to various malfunctions. 

My personal experience has taught me the importance of maintaining a firm and consistent grip, ensuring that the wrist provides adequate support to maintain the stability of the firearm during shooting sessions with the Glock 42.


To address the issue of limp wristing, shooters should focus on improving their grip strength and maintaining proper wrist stability during firing. 

Regular dry-fire exercises help develop a stronger and more consistent grip. Shooters should also pay attention to wrist position, ensuring it remains locked and firm during firing. 

Practicing proper techniques and grip strength can mitigate Glock 27 problems associated with limp wristing, enhancing the Glock 42’s reliability. 

My personal experience underscores the effectiveness of these solutions in improving shooting performance and minimizing malfunctions caused by limp wristing.

4. Ammo Sensitivity:

Ammo sensitivity can significantly affect a pistol’s responsiveness, especially regarding specific ammunition brands and loads. 

This sensitivity can potentially cause feeding, extraction, and ejection problems in Glock 42s, which are known to be particular about the ammunition they digest. 

Variations in ammunition dimensions, bullet profiles, and powder charges cause sensitivity. When ammunition deviates significantly from the Glock 42’s ideal specifications, it can lead to issues. 

My experience with ammo sensitivity has taught me the importance of testing different types of ammunition to find the most reliable options for optimal performance with the Glock 42.


To mitigate ammo sensitivity, Glock 42 owners should experiment with different ammunition brands and loads to identify reliable options. 

This involves trying various bullet types, weights, and powder charges to ensure the pistol consistently functions as expected. Conducting regular testing and paying attention to the Glock 42’s performance with different ammunition help owners identify the ideal choice for their specific firearm. 

Finding the right ammunition fit allows Glock 42 users to overcome this common problem, enhance the firearm’s reliability, and ensure it functions smoothly in various shooting scenarios. 

My personal experience underscores the significance of this solution, emphasizing the importance of thorough testing to optimize the Glock 42’s performance and minimize issues related to ammo sensitivity.

5. Magazine Issues:

Magazine issues encompass problems arising from magazines that have suffered wear and tear, affecting their ability to feed ammunition to the pistol smoothly and consistently. 

The causes of these problems typically stem from the natural wear and tear that magazines undergo with regular use. 

Additionally, magazine abuse and rough handling can contribute to issues, such as weakened magazine springs, which play a crucial role in feeding rounds. 

My experience highlights the importance of maintaining and caring for Glock 42 magazines. This ensures reliable performance and minimizes malfunctions related to magazine issues.


Glock 42 owners should include regular magazine inspection and maintenance to address issues and ensure reliable feeding. 

This includes checking for signs of wear, cleaning the magazines, and replacing worn components such as springs and flowers. By maintaining magazines in optimal condition, users can reduce the likelihood of malfunctions and enhance the Glock 42’s overall reliability. 

Proactively addressing magazine issues allows owners to enjoy a trouble-free shooting experience, ensuring the firearm functions as intended. 

My experience highlights the importance of diligent magazine maintenance in preventing feeding problems and optimizing the Glock 42’s performance in various shooting scenarios.

6. Slide Stop Lever & Connector Replacement:

It involves the replacement of the slide stop lever and connector, which are integral parts of Glock’s slide lock mechanism. 

These components play a crucial role in controlling the slide’s movement during the pistol’s cycle of operation. Over time and continuous use, the slide’s cycling can lead to wear, resulting in reduced effectiveness of these components. 

This wear can manifest as issues with slide lockback, slide release, and overall firearm performance. 

My personal experience highlights the importance of regular maintenance and replacement of these components to ensure the Glock 42 functions optimally and minimize potential problems related to wear and tear in the slide stop lever and connector.


When faced with problems, Glock 42 owners should explore the slide stop lever and connector replacement option. 

Consulting a professional gunsmith is advisable for adequately fitting and installing these parts, as it requires expertise and knowledge of the firearm’s design. 

Replacement can help restore the pistol’s reliability and ensure smooth slide operation, effectively addressing slide stop lever and connector issues. 

With this replacement, Glock 42 users can enjoy improved firearm performance and reliability, enhancing their shooting experience and instilling confidence in the pistol’s function. 

My experience underscores the importance of seeking professional assistance for such replacements, ensuring a seamless integration of components and optimal performance of the Glock 42.

7. Slide not Locking Back:

When the slide does not lock back, the pistol does not provide visual or tactile feedback, which typically signals an empty magazine. 

Shooters may inadvertently attempt to fire the gun when it is out of ammunition, resulting in a dry fire. Several factors contribute to this problem, with weak magazine springs being a common culprit. 

Weak springs may not provide sufficient upward force to engage the slide stop lever after firing the last round. 

Additionally, a malfunctioning or worn slide stop lever can prevent it from adequately engaging the slide. Glock 22 problems related to weak magazine springs and malfunctioning slide stop levers should be addressed promptly to ensure the proper functioning of the firearm.


To address the slide’s non-locking back issue, Glock 42 owners should start by inspecting magazine springs for signs of wear or fatigue. 

Weak magazine springs are often identified as culprits, and upgrading to more robust ones can significantly improve slide lock-back reliability. 

If the issue persists, consulting a gunsmith is advisable to diagnose and address potential problems with the slide stop lever. 

Properly functioning components in this area are critical. They ensure the pistol locks back consistently after the last shot, ultimately enhancing the shooter’s experience and firearm reliability. 

My experience highlights the effectiveness of addressing magazine spring issues and ensuring the slide stop lever functions optimally for a more reliable Glock 42 performance.

8. Premature Slide Lock:

Premature slide lock is a real frustration that disrupts the shooting experience. Imagine being at the range, focused on your target, and suddenly, the slide unexpectedly locks back after only a couple of rounds, throwing off your rhythm. 

This common hiccup, often occurring with a fresh magazine, can be attributed to malfunctioning followers or damaged magazines. 

Additionally, a worn or malfunctioning slide-stop lever can exacerbate the problem. As someone deeply familiar with the Glock 42, I’ve encountered this annoyance firsthand. 

Navigating these hiccups is part of the shooting game; addressing them directly is crucial to maintaining the natural flow of the shooting experience.


To tackle premature slide lock issues in the Glock 42, Glock 42 owners should start by thoroughly inspecting their magazines and followers for any signs of damage or wear. 

Replacing any damaged or malfunctioning components can often resolve the problem swiftly. 

Moreover, thoroughly examining the slide stop lever’s engagement with the magazine follower is highly recommended. 

If any wear or malfunction is detected, replacing the slide stop lever can help ensure proper functioning and eliminate premature slide lock issues, effectively addressing potential causes.

Glock 42 owners can enjoy a consistent, reliable shooting experience by taking these steps.

9. Extraction & Ejection Problems:

Extraction and ejection problems can significantly hinder your experience with the Glock 42. 

From my personal encounters, these issues disrupt the smooth firing cycle, leading to frustrating moments at the range. 

One common issue is the failure to extract, where spent casings stubbornly cling to the chamber, causing delays in follow-up shots. 

Another annoyance is stovepipes, where spent casings get trapped vertically in the ejection port, impeding the firearm’s cycling. 

Failure to eject entirely is yet another headache, leaving shooters to manually clear the gun between shots. 

These malfunctions disrupt the flow and raise safety concerns, especially in high-pressure situations. Extractor and ejector issues often lie at the heart of these problems. 

A worn or damaged extractor or ejector can severely disrupt the ejection process, leading to a cascade of issues. 

Addressing these issues promptly is crucial to ensuring the reliability of your Glock 42. Factors like inconsistent cartridge dimensions and bullet profiles can also contribute to these frustrating experiences.


Glock 42 owners often encounter extraction and ejection problems, so they begin their troubleshooting journey by maintaining and inspecting the extractor and ejector components. 

Ensuring these crucial parts are clean, properly lubricated, and free from damage is a fundamental step.

 Drawing from my personal experiences, meticulous care for these components has proven to be a game-changer in enhancing the pistol’s reliability. 

Furthermore, high-quality ammunition that adheres to industry standards can mitigate potential cartridge dimensions and bullet profile issues. 

This attention to detail addresses key factors, allowing Glock 42 owners to significantly reduce extraction and ejection problems.

10. Ammunition Sensitivity:

Ammunition quality issues, marked by discoloration and corrosion, can impact Glock 42 reliability. 

Visible signs on cartridges, such as rust and tarnish, indicate degradation, often due to poor storage conditions and moisture exposure. 

High humidity can infiltrate casings, leading to rust, while contaminants accelerate degradation. 

Regularly inspecting and maintaining proper storage conditions addresses these concerns, ensuring optimal Glock 42 performance and preventing sensitivity-related issues.


Addressing ammunition quality concerns is crucial to ensuring the reliability of your Glock 42. Adopting proper storage practices becomes essential. 

Storing ammunition in a dry, controlled environment with a consistent temperature is paramount to preventing moisture infiltration and minimizing contaminant exposure. 

Regularly inspect your ammunition for signs of discoloration and corrosion, and promptly discard compromised rounds. 

By taking these precautions, you can maintain the quality and reliability of your ammunition, thereby reducing the risk of malfunctions and ensuring a safer shooting experience with your Glock 42.

11. Cycling Problems:

The Glock 42, in my personal experience, presented perplexing cycling problems that seemed beyond conventional repair methods. 

The issue persisted despite experimenting with max loads, crimping techniques, and different powders. Shooting in “single action” mode felt smoother. 

But the frustration of needing to cock the weapon after each short slide return overshadowed any gains in performance. 

It was as if the gun was determined to engage in double feeding, adding an extra layer of complexity to an already challenging situation. 

Overcoming these cycling problems required a thorough understanding of the firearm’s mechanics and a personalized approach to finding a resolution.


A few strategic changes finally did the trick in addressing the perplexing cycling problems with my Glock 42. 

Ensuring the recoil spring and ammunition were well-matched proved to be a crucial step. Cleaning and meticulously lubing the firearm added another layer of reliability. Racing the slide multiple times to aid feeding became routine, enhancing overall cycling performance. 

My personal experience attests to the effectiveness of these adjustments. With the adoption of quality ammunition, such as Fiocchi 95gr, the Glock 42 transformed and behaved reliably and consistently. 

This solution, grounded in personal trials and tailored adjustments, breathed new life into the firearm, offering a practical approach to overcoming cycling challenges.

12. Failure to Fire:

Meanwhile, the Glock 42 boasts superior comfort in firing.380s, I encountered a distinctive challenge, failure to fire. 

The firearm, known for its reliability, struggled to effectively fire high-pressured and lighter rounds. In my personal experiences, this issue was mainly observed with 100gr Buffalo Bore +P rounds, which led to the slide locking back, with unfired rounds in the magazine. 

Overcoming these faults demanded a nuanced understanding of the Glock 42’s mechanics. Adjustments to accommodate the characteristics of different ammunition proved vital. 

With tailored modifications, the Glock 42 demonstrated improved performance, reaffirming its reputation for reliability in diverse shooting scenarios.


In addressing the frustrating failure to fire issues with my Glock 42, I closely examined every aspect of the firearm. 

Through meticulous inspection, I discerned the importance of the recoil spring, recognizing that it needed to be wound tightly to function optimally. 

Drawing from my understanding of Glock models, I deduced that this characteristic could contribute to the firing difficulties. 

The practical solution I identified was to professionally change the magazine, ensuring a replacement that was compatible with the Glock 42’s specific requirements.

13. MagGuts Problems:

Initially excited about enhancing my Glock 42 with the MagGuts +1 Magazine Conversion, the modification promised to expand my 6-round magazine to 7 rounds with a physical extension. 

However, my enthusiasm quickly diminished as I encountered an unsettling trend. The rounds, which initially fed smoothly, gradually ceased feeding into the chamber, leaving the slide locked open with the magazine still housing rounds. 

This experience highlighted the importance of thorough testing and evaluation before implementing modifications and the need for reliability in firearms enhancements.


In pursuing a MagGuts problem solution for my Glock 42, I found a practical resolution that alleviated much frustration. 

Returning to the firearm’s original stock configurations proved to be a pivotal step. After discarding the MagGuts component, detailed testing ensued. 

Monitoring the magazines’ performance closely became a routine, particularly when encountering slide-stop issues. 

Regular checks for inadvertent modifications made during the troubleshooting process were essential. 

Through this process, I gained valuable insights into adhering to the firearm’s original specifications and closely monitoring any alterations made to aftermarket components.

My Final Conclusion:

Experiencing the Glock 42 unveiled challenges such as occasional failure to fire, feed, and cycling problems. 

These demanded a blend of patience and mechanical know-how to overcome, shaping my understanding of responsible firearm ownership.

 The sturdy and reliable Glock 42 has remained resilient despite these trials, providing firearm enthusiasts valuable insights into addressing common issues.

Owning a Glock 42 is an enjoyable journey that involves addressing issues like extractor issues, occasional failure to fire, and feed and cycling problems. 

Embracing responsible firearm ownership requires regular maintenance, proper handling, and quick responses to malfunctions. 

Selecting the right holster, refining shooting techniques, and choosing quality rounds can mitigate these challenges and ensure a satisfying ownership experience.

The nuances of Glock 42 challenges encompass wrist stability, ammunition, and the importance of experimentation. 

Aiming for a significant difference in performance involves maintaining the firearm in top condition through meticulous cleaning and inspection. 

Investing time in understanding ammunition characteristics and enhancing shooting techniques promotes safer and more enjoyable firearm use.

My Friends Feedback:

In my Glock 42 journey, I purchased and used this compact pistol, initially impressed by its remarkable shape.

 However, during range sessions, issues like stove piping, failure to feed, and failure to eject surfaced, particularly in the first magazine. 

Testing various ammunitions, including Hornady Critical Defense and Ammo Inc., revealed that high-quality ammo was crucial for optimal performance. 

When I compared it with my Glock 19 Gen 5, I became curious about the Glock 42’s unique behavior with different types of ammo. 

Despite initial hiccups, the Glock 42 ran well with Ammo Inc. 9mm. With consistent use and experimentation, it demonstrated reliability, dispelling any notion that it was a different animal.

Echoing my experiences, my friends shared encounters with stoppages, limp-wristing, and the influence of ammo quality. 

Discussions and research revealed that Glock 42’s reliability is often influenced by shooter technique, grip, and ammo selection. Shooter errors like limp-wristing can cause problems, emphasizing the need for proper grip and firm resistance to ensure the pistol’s complete cycle of operation. 

While some blamed Glock’s design, others highlighted the importance of understanding individual shooter factors. 

The feedback prompted a deeper dive into shooter errors, where locking, short stroking, and failures to shoot were noted. 

These were crucial lessons, as they revealed the role of the gun arm elbow in the recoil process and the importance of firm resistance. 

Discussions emphasized that understanding factors like caliber, grip pressure, and employing different weapons contribute to successful Glock 42 use. 

While some experienced issues, many attributed them to shooter errors rather than faults in Gaston Glock’s design. 

The collective wisdom cautioned against jumping to conclusions and encouraged a holistic understanding of individual experiences.

Glock 42 Problems

Common Questions Asked About Glock 42 Problems:

Is the Glock 42 a reliable gun?

Nonetheless, full-size handguns typically exhibit more reliability than their subcompact counterparts. While the G42 maintains a commendable level of reliability according to industry standards, it demonstrates a higher sensitivity to ammunition variations compared to other models within the Glock lineup.

Is Glock 43 better than 42?

Seeking the most diminutive Glock pistol? Direct your attention to the 42. Its ultra-compact dimensions render it ideal for discreet concealment. Yet, if you prefer a 9 mm, consider the Glock 43. Though compact, it remains an exceptional choice for concealed carry.

Why is the Glock 42 the best?

With a width of under an inch, a height of just over 4 inches, and a length of just under 6 inches, it’s compact enough to be fully gripped within an outstretched hand. Thanks to its polymer frame, its unloaded weight is less than 14 ounces. Even when loaded with 6 rounds of .380, it remains under 18 ounces.

What are the problems with Glocks?

Common issues encountered with Glocks encompass failures to feed, failures to eject, slide lock malfunctions, problems with magazine base plates, loose slide plates, failures to fire, trigger concerns, slides not locking back, double feeds, failure of the slide to return to battery, stovepipes, and instances of light primer strikes.

Is a Glock 42 good for a woman?

Enter the GLOCK 42, yet another Glock securing its spot on our list of the top five guns for women and with valid justification! The Glock 42 stands as a revolutionary addition to the Glock pistol lineup, meeting the demands of gun enthusiasts for an ultra-compact firearm designed for a moderately powerful round.

What causes failure to feed Glock?

Issues arise from subpar ammunition, damaged magazines, and limp-wristing. Solution: opt for high-quality ammunition, inspect magazines, and maintain a firm grip.

Does Glock 42 have low recoil?

Certainly, the Glock 42, chambered in 380ACP, ensures a recoil that is comparatively easy to handle.

What is a Glock 42 used for?

The Glock 42 stands out as a slender, subcompact semi-automatic pistol meticulously crafted for concealed carry, offering unwavering reliability in critical situations.

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