Unpacking the Most Common Glock 19 Gen 5 Problems: A Comprehensive Guide

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Glock 19 Gen 5

As gun enthusiasts, we all know that Glock 19 Gen 5 is one of the most popular handguns on the market. It is known for its reliability, accuracy, and ease of use.

However, even the best guns can have problems, and the Glock 19 Gen 5 is no exception.

In this blog post, we will explore the most common Glock 19 Gen 5 problems that we face and provide practical solutions to address them.

What is Glock 19 Gen 5?

The Glock 19 Gen 5 is a popular 9mm handgun manufactured by Glock, a leading firearms company based in Austria. It is the latest generation of the Glock 19 model and features over 20 design modifications from its predecessor, the Gen 4.

Some of these modifications include an ambidextrous slide stop lever, a flared mag-well, a new Marksman Barrel, and a removal of finger grooves on the grip.

The Glock 19 Gen 5 is known for its reliability, accuracy, and ease of use, making it a popular choice for both law enforcement and civilian use.

Glock 19 Gen 5
Glock 19 Gen 5

Glock 19 Gen 5 Specifications

Specification Details
Model Glock 19 Gen 5
Manufacturer Glock
Type Semi-automatic pistol
Caliber 9x19mm (9mm Luger)
Capacity 15-round standard magazine (varies by region)
Barrel Length 4.02 inches (102 mm)
Overall Length 7.28 inches (185 mm)
Height 5.04 inches (128 mm)
Width 1.34 inches (34 mm)
Weight (unloaded) 23.99 ounces (680 grams)
Trigger Pull Weight Approximately 5.5 pounds (2.5 kg)
Action Striker-fired
Sights Fixed or optional night sights
Frame Material Polymer
Slide Material Steel
Grip Texture Rough textured frame surface
Barrel Rifling Hexagonal (Glock Marksman Barrel)
Trigger Safe Action (consistent trigger pull)
Magazine Type Detachable box magazine
Accessory Rail Picatinny or Glock rail for mounting accessories
Safety Features Trigger safety, drop safety, firing pin safety, and more
Finish Matte black
Availability Widely available for purchase

5 Common Glock 19 Gen 5 Problems

1. Ejection Issues

Ejection Issues
Glock 19 Gen 5 Ejection Issues

The Glock 19 Gen 5 is generally known for its reliable performance and minimal ejection issues. However, if you’re experiencing feeding problems with your Glock 19 Gen 5, here are a few steps you can take to troubleshoot and potentially fix the issue:

Clean and lubricate the firearm: Make sure your Glock 19 Gen 5 is clean and properly lubricated. Accumulated dirt, debris, or lack of lubrication can affect the ejection process. Clean the barrel, slide, extractor, and other relevant parts following Glock’s recommended cleaning procedures.

Inspect the extractor: The extractor is responsible for gripping the spent casing and jamming it from the firearm. Ensure that the extractor is clean and free of debris or obstructions. Check for any damage or wear on the extractor itself. If necessary, consider replacing the extractor.

Check the ejector: The ejector is another crucial component involved in ejection. Verify that it is properly installed, aligned, and not damaged. If the ejector appears worn or damaged, it may need to be replaced.

Ammunition selection: Inconsistent ejection issues can sometimes be related to the ammunition being used. Try different brands or types of ammunition to see if the problem persists. Some ammunition may have variations in power or quality that can affect ejection.

Grip and stance: Ensure that you have a firm and consistent grip on the firearm, and maintain a stable shooting stance. A loose grip or improper technique can potentially affect ejection reliability.

Seek professional assistance: If the above steps do not resolve the ejection issues, it is recommended to seek the help of a qualified gunsmith or Glock-certified armorer. They will have the expertise to diagnose and fix any specific problems with your Glock 19 Gen 5.

2. MOS Issues

MOS Issues
Glock 19 Gen 5 MOS Issues

The Glock 19 Gen 5 MOS (Modular Optic System) variant allows for the mounting of various optics on the slide. If you’re experiencing issues with your Glock 19 Gen 5 MOS, specifically related to the optic system, here are some common problems and potential solutions:

Optic mounting: Ensure that the optic is properly mounted and securely attached to the slide. Check that the mounting screws are tightened to the manufacturer’s recommended torque specifications. If the optic is loose or shifting during use, tighten the screws accordingly.

Optic compatibility: Verify that the optic you are using is compatible with the Glock MOS system. Some optics may require specific mounting plates or adapters for proper fitment. Refer to the Glock MOS instructions or contact the optic manufacturer for compatibility information.

Sight alignment: If the optic is properly mounted but the sight picture is off or inconsistent, check for correct sight alignment. Some optics may require adjustments to windage and elevation to zero in on the target. Refer to the optic’s manual or contact the manufacturer for guidance on sight alignment and adjustment.

Battery and connections: For optics with electronic components, ensure that the batteries are properly installed and have sufficient charge. Check the battery contacts for cleanliness and make sure they are making proper contact. If the optic has any cables or connections, ensure they are securely connected and not damaged.

Recoil management: Mounting an optic on the slide can sometimes introduce additional recoil forces, which may impact the optic’s performance. If you experience issues such as the optic losing zero or becoming misaligned, consider using stronger recoil springs or seeking professional advice from a gunsmith familiar with Glock MOS systems.

Seek professional assistance: If the above steps do not resolve the issues with your Glock 19 Gen 5 MOS, it is recommended to consult with a qualified gunsmith or reach out to Glock’s customer support. They will have the expertise to diagnose and address any specific problems related to the MOS system.

3. Trigger Issues

Trigger Issues
Glock 19 Gen 5 Trigger Issues

If you’re experiencing trigger issues with your Glock 19 Gen 5, where the trigger is not functioning properly or exhibiting any inconsistencies, here are some steps you can take to troubleshoot and potentially resolve the problem:

Clean and lubricate the trigger assembly: Ensure that your Glock 19 Gen 5’s trigger assembly is clean and properly lubricated. Use an appropriate cleaning solvent to remove any dirt, debris, or excess oil from the trigger components. Apply a light coat of lubrication to the recommended areas of the trigger assembly.

Inspect the trigger bar and connector: Check the trigger bar and connector for any signs of damage, wear, or debris accumulation. Clean these parts thoroughly and ensure they are properly aligned. If there are any damaged or worn-out components, consider replacing them with genuine Glock parts.

Check for obstructions or foreign objects: Inspect the trigger housing and other areas around the trigger for any obstructions or foreign objects that may be interfering with the trigger’s movement. Remove any debris or foreign objects carefully.

Verify proper installation and fitment: Double-check that all trigger components are installed correctly and seated properly. Ensure that the trigger spring is correctly aligned and providing the necessary tension.

Review your grip and finger placement: Ensure that you have a consistent and proper grip on the firearm. Improper finger placement on the trigger or a weak grip can cause trigger issues. Practice proper shooting techniques and experiment with your grip to find a comfortable and reliable trigger pull.

Seek professional assistance: If the trigger issues persist or if you are uncomfortable working on your firearm, it is recommended to seek the help of a qualified gunsmith or Glock-certified armorer. They will have the expertise to diagnose and fix any specific problems with your Glock 19 Gen 5 trigger.

4. Barrel Issues

Barrel Issues
Glock 19 Gen 5 Barrel Issues

If you’re experiencing issues with the barrel of your Glock 19 Gen 5, such as accuracy problems or malfunctions, here are some steps you can take to troubleshoot and potentially fix the issue:

Clean the barrel: Ensure that the barrel is clean and free from any debris, fouling, or obstructions. Use an appropriate cleaning solvent and a bore brush to clean the barrel thoroughly. Pay special attention to the chamber area and the crown (the end of the barrel).

Inspect the barrel: Check the barrel for any signs of damage, such as bulges, cracks, or excessive wear. If you notice any abnormalities, it may be necessary to replace the barrel. Additionally, inspect the feed ramp for any burrs or rough spots that may cause feeding issues.

Check the barrel crown: The crown, located at the muzzle end of the barrel, plays a crucial role in maintaining accuracy. Ensure that the crown is clean and free from any damage or irregularities. A damaged or improperly aligned crown can negatively impact accuracy. If necessary, consult a gunsmith for barrel crown inspection or repair.

Ammunition selection: Inconsistent or unreliable performance may sometimes be related to the ammunition being used. Ensure that you are using high-quality, factory-manufactured ammunition that is appropriate for your Glock 19 Gen 5. Consider trying different brands or types of ammunition to see if the problem persists.

Seek professional assistance: If the issues with your Glock 19 Gen 5 barrel persist or if you’re unsure about any aspect of troubleshooting, it is recommended to seek the help of a qualified gunsmith or reach out to Glock’s customer support. They will have the expertise to diagnose and address any specific problems with the barrel or related components.

5. Slide Issues

Slide Issues
Glock 19 Gen 5 Slide Issues

If you’re experiencing issues with the slide of your Glock 19 Gen 5, such as malfunctions or problems with its operation, here are some common slide issues and potential solutions:

Failure to cycle or chamber rounds: If the slide is not cycling properly or failing to chamber rounds, check the following:

  • Ensure that the slide is clean and properly lubricated. Clean any dirt, debris, or fouling that may be causing friction or hindering the slide’s movement.
  • Inspect the recoil spring assembly for any damage or wear. Consider replacing it if necessary, as worn-out springs can affect the slide’s cycling.
  • Check the extractor for proper functioning. Make sure it is clean and free of debris. If the extractor is worn or damaged, it may need to be replaced.

Slide not locking back on empty magazine: If the slide is not locking back when the magazine is empty, consider the following:

  • Check the magazine follower and spring. Ensure that they are functioning properly and providing enough upward pressure to engage the slide stop. Clean or replace the magazine if needed.
  • Verify that your grip or shooting technique is not inadvertently depressing the slide stop lever. Adjust your grip to avoid unintentional interference with the slide stop.

Slide binding or sticking during cycling: If the slide is binding or sticking during the cycling process, take the following steps:

  • Inspect the slide rails for dirt, debris, or excessive wear. Clean the rails and ensure they are properly lubricated.
  • Examine the frame rails for any damage or abnormalities. If necessary, consult a qualified gunsmith to assess and repair the frame rails.
  • Check for any burrs or sharp edges on the slide or frame that may be causing the binding. Smooth out any rough spots carefully.

Seek professional assistance: If the slide issues persist or if you’re unsure about troubleshooting or fixing them yourself, it’s recommended to seek the help of a qualified gunsmith or contact Glock’s customer support. They will have the expertise to diagnose and address any specific problems with your Glock 19 Gen 5 slide.

When Should You Check Your Glock 19 Gen 5?

It is recommended that you check your Glock 19 Gen 5 before each use to ensure that it is in proper working condition.

This includes checking the magazine to ensure that it is loaded properly, checking the chamber to ensure that it is empty, and checking the slide to ensure that it moves freely and is not obstructed.

It is also recommended that you perform regular maintenance on your Glock 19 Gen 5, including cleaning and lubrication, to ensure that it functions properly and remains in good condition.

Additionally, if you notice any issues or problems with your Glock 19 Gen 5 during use, you should stop using it immediately and have it inspected by a qualified gunsmith.

How To Maintance Your Glock 19 Gen 5?

Maintaining your Glock 19 Gen 5 is important to ensure that it functions properly and remains in good condition. Here are the steps to maintain your Glock pistol:

  1. Unload: Before you begin cleaning your Glock, make sure that it is unloaded and the magazine is removed.
  2. Disassemble: Disassemble your Glock 19 Gen 5 by following the manufacturer’s instructions. This typically involves removing the slide from the frame and separating the barrel and recoil spring assembly from the slide.
  3. Clean the barrel: Use a cleaning rod, patch holder, and patches to clean the barrel of your Glock 19 Gen 5. Apply a solvent to the patch and run it through the barrel several times, then use a clean patch to remove any residue.
  4. Clean the slide and frame: Use a cleaning brush, solvent, and patches to clean the slide and frame of your Glock. Pay special attention to the areas around the firing pin, extractor, and ejector.
  5. Lubricate: Apply a small amount of gun lubricant to the slide rails, barrel, and other moving parts of your Glock 19 Gen 5. Be careful not to over-lubricate, as this can attract dirt and debris.
  6. Reassemble: Follow the manufacturer’s instructions to reassemble your Glock. Make sure that all parts are properly aligned and secured.
  7. Function check: After reassembling your Glock 19 Gen 5, perform a function check to ensure that it is working properly. This typically involves checking the trigger, slide, and magazine release.

It is recommended that you clean and lubricate your Glock 19 Gen 5 after each use, or at least every 500 rounds. Additionally, you should inspect your Glock regularly for any signs of wear or damage, and have it serviced by a qualified gunsmith if necessary.

User Feedback About Glock 19 Gen 5 Issues

  • “I’ve had my Gen 5 Glock 19 for about a year now and I’ve had a few problems with it. The trigger has gotten gritty and the slide lock doesn’t engage properly sometimes.”
  • “I’ve had my Gen 5 Glock 19 for about 3 months now and I’ve had a few problems with it. The ejection is too strong and it’s stovepiped a few times.”
  • I own a 10-month-old Gen 4 G19. While it occasionally experiences “BTF” (brass to face) issues with weaker ammunition and its trigger is noticeably less satisfying compared to my other Glocks, it hasn’t encountered any functional malfunctions. My Gen 3, equipped with the 336 ejector, has never had “BTF” occurrences and has also maintained flawless functionality.

FAQs

Q: Can Glock 19 Gen 5 problems be prevented?

A: Yes, Glock 19 Gen 5 problems can be prevented by regularly cleaning and maintaining your gun. You can also use high-quality ammunition and accessories that are known to work well with the Glock 19 Gen 5.

Q: Is it safe to use aftermarket parts on my Glock 19 Gen 5?

A: Yes, it is safe to use aftermarket parts on your Glock 19 Gen 5 as long as they are made by reputable manufacturers and are known to work well with the Glock 19 Gen 5.

Q: Should I attempt to fix Glock 19 Gen 5 problems myself?

A: It is recommended that you seek the help of a professional gunsmith if you are not experienced in gun maintenance and repair. Attempting to fix Glock 19 Gen 5 problems yourself could result in further damage or even injury.

Conclusion

In conclusion, Glock 19 Gen 5 problems are common and can be frustrating, but they can be addressed with the right knowledge and tools. By regularly cleaning and maintaining your gun, using high-quality ammunition and accessories, and seeking professional help when needed, you can ensure that your Glock 19 Gen 5 performs at its best. Remember, safety should always be your top priority when handling firearms.

Last Updated on October 28, 2023 by

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