The Kel-Tec Sub 2000 Gen 3, a popular and versatile pistol-caliber carbine, isn't without its quirks. While lauded for its compact design, affordability, and adaptability, several recurring issues have emerged. This article delves into common Kel-Tec Sub 2000 Gen 3 problems, offering insights for potential buyers and owners. Understanding these potential issues can help you make an informed decision and better maintain your firearm.
Understanding the Kel-Tec Sub 2000 Gen 3's Design and Functionality
Before diving into the problems, let's briefly cover the Sub 2000's unique design. This carbine's defining feature is its ability to fold in half for compact storage and transport. This folding mechanism, while ingenious, contributes to some of the issues encountered. It's a lightweight, blowback-operated weapon utilizing Glock magazines, offering compatibility and ease of ammunition sourcing. The simplicity of its design, aimed at affordability, also contributes to certain reliability challenges.
Common Kel-Tec Sub 2000 Gen 3 Problems
Several problems plague the Sub 2000 Gen 3, with varying degrees of frequency and severity. Let's break them down:
1. Magazine Issues
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Feeding Problems: This is arguably the most commonly reported issue. The Sub 2000's feeding mechanism, interacting with the Glock magazines, can sometimes cause malfunctions like stovepipes and failure to feed. This often stems from the magazine's interaction with the firearm's receiver, especially with certain types of magazines or when they're not seated properly.
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Magazine Wear: Over time, repeated use can lead to wear and tear on both the magazine and the feeding mechanism within the Sub 2000. This can exacerbate feeding problems. The plastic components in Glock magazines can show wear faster than metal, contributing to this.
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Solution: Using high-quality, well-maintained Glock magazines is paramount. Thoroughly inspecting magazines for defects and ensuring they are correctly seated before firing is crucial.
2. Folding Mechanism Issues
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Loose Folding Pins: The folding mechanism hinges on a few pins, which can become loose over time. A loose pin can significantly affect the firearm's reliability.
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Folding Mechanism Binding: The folding mechanism itself can sometimes bind, either due to the accumulation of debris or simple wear and tear. This can prevent the firearm from folding smoothly, or worse, it could compromise the ability to fire.
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Solution: Regular inspection and lubrication of the folding mechanism and pins are crucial for preventing these issues. Properly cleaning and lubricating the contact points can resolve binding. If pins are loose, they should be replaced.
3. Ejection Problems
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Extractor Issues: The Sub 2000's extractor, responsible for pulling spent casings from the chamber, can occasionally malfunction, leading to failure to eject spent casings, causing jamming.
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Weak Extractor Spring: A weak or worn extractor spring can reduce the reliability of the extractor, impacting the ejection process.
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Solution: Regular cleaning and lubrication can minimize the chances of extraction failures. If issues persist, consider replacing the extractor spring.
4. Sights and Optics Issues
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Sight Adjustment: While generally reliable, the iron sights can require more precise adjustment than on other firearms.
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Optics Mounting: Mounting optics can prove challenging due to the lack of a standard Picatinny rail. Various aftermarket solutions exist, but they can require some modification or extra attention to secure properly.
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Solution: Take your time adjusting the iron sights. If using optics, ensure a proper fit and secure mounting to prevent issues.
5. Reliability with Certain Ammunition
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Ammunition Sensitivity: The Sub 2000 Gen 3, like many firearms, can demonstrate sensitivity to the type of ammunition used. While it generally handles standard ammunition well, certain brands or types might cause malfunctions.
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Solution: Testing with several types of ammo to find one that performs optimally in your specific firearm is important. High-quality ammunition tends to have better reliability.
Case Study: A User Report
A Reddit user posted about experiencing consistent feeding issues with their Kel-Tec Sub 2000 Gen 3. After trying different magazines, they discovered that the problem was resolved by ensuring the magazines were firmly seated, and regularly cleaning the receiver.
Maintenance and Prevention
Regular cleaning and lubrication are essential for maintaining your Kel-Tec Sub 2000 Gen 3. Pay particular attention to the following areas:
- Folding mechanism: Lubricate the pins and moving parts.
- Receiver: Clean thoroughly to remove debris.
- Magazines: Inspect and clean regularly.
Conclusion: Weighing the Pros and Cons
The Kel-Tec Sub 2000 Gen 3 offers significant advantages in terms of portability and affordability. However, the potential problems outlined above must be considered. By understanding these potential issues and practicing proper maintenance, you can significantly improve the reliability and longevity of your firearm. Remember to always practice safe gun handling and maintenance procedures.