15 Common Kriss Vector Gen 2 Problems

Welcome to our comprehensive guide on the 15 common problems you may encounter with the Kriss Vector Gen 2. 

We understand that owning a firearm like this can sometimes come with its unique set of challenges. 

This guide is designed to empower you with knowledge, providing insights on potential issues, their causes, and possible solutions. 

Remember, understanding your firearm is the first step towards safe and enjoyable usage. Let’s dive in and unravel these issues together!

Kriss Vector Gen 2 Problems

Kriss Vector Gen 2 Problems

1. Bolt Lock Failure


The bolt lock failure in the Kriss Vector Gen 2 is commonly attributed to excessive wear and tear or inadequate maintenance. 

Consistent exposure to high recoil and improper cleaning may cause the bolt lock to malfunction, thereby impeding the firearm’s operational efficiency.


The ideal solution to bolt lock failure is a regular and thorough maintenance regimen. 

This includes cleaning the firearm after each use, especially the bolt lock, and replacing worn-out components promptly. 

Additionally, leveraging professional firearm servicing could be beneficial in diagnosing and addressing potential issues early.

2. Trigger Pull Weight


One issue often brought up by users of the Kriss Vector Gen 2 is the hefty trigger pull weight. 

This is typically due to the design of the trigger mechanism, which was not optimized for a light pull. 

The heavy trigger pull can lead to difficulties in rapid firing and decreased accuracy, especially for shooters unused to such a weight.


The solution to this problem lies in the installation of an aftermarket trigger. 

Various brands provide suitable options that allow for a lighter pull, enhancing the shooting experience. 

However, it is essential to ensure that the trigger is installed by a professional or under expert guidance to avoid any safety issues.

3. Overheating Issues


The overheating issues in the Kriss Vector Gen 2 tend to stem from extensive rapid-fire shooting. 

The intense heat generated during this process can cause the firearm’s internal components to overheat, potentially leading to damage and less reliable operation.


The overheating can be mitigated by prolonged intervals between shooting sessions, allowing the firearm to cool down. 

Additionally, installing a heat-resistant handguard can help disperse the heat more evenly, protecting the internal components from extreme temperatures. 

Regular maintenance and cleaning can also prolong the lifespan of your Kriss Vector Gen 2 and prevent overheating issues.

4. Misaligned Sights


Misaligned sights are a common issue encountered with the Kriss Vector Gen 2. 

This misalignment can be due to improper installation, rough handling, or long-term wear and tear. 

When sights are not accurately aligned, it affects the accuracy of the firearm drastically, making it difficult to hit the target precisely.


The solution for misaligned sights involves readjusting or re-installing the sights. 

It’s recommended to refer to the manufacturer’s guidelines or consult a professional gunsmith to ensure correct alignment. 

If wear and tear is the cause, consider replacing the sights. Regular maintenance and careful handling of the firearm can prevent future misalignments.

5. Short Battery Life in Optics


The short battery life in Kriss Vector Gen 2 optics can be attributed to a couple of factors. 

Most commonly, continuous use of high-intensity settings can drain battery power faster. 

Another potential cause could be the use of low-quality batteries, which fail to hold their charge over extended periods of time.


To address the issue of short battery life, one feasible solution is to adjust the intensity settings of the optics. 

Using moderate intensity when high brightness is not necessary can significantly conserve battery life. 

Additionally, investing in high-quality batteries ensures longer battery life. 

It might also be beneficial to switch off the optics when not in use and to always carry spare batteries during extended-use situations.

6. Stiff Magazine Release


The stiff magazine release in the Kriss Vector Gen 2 could be the result of a new firearm not yet broken in or due to accumulated grime or debris within the magazine well or release mechanism. 

This stiffness can hinder the smooth operation of changing magazines, affecting the overall firearm performance.


The solution for a stiff magazine release primarily involves regular firearm maintenance. 

Cleaning the magazine well and releasing the mechanism thoroughly to remove any grime or debris can alleviate the stiffness. 

Additionally, for new firearms, operating the magazine release repetitively can help in ‘breaking in’ the mechanism, thus easing the stiffness over time.

7. Bolt Catch Malfunctions


One of the common issues with the Kriss Vector Gen 2 is the malfunctioning of the bolt catch.

 This typically results from frequent usage, leading to wear and tear. The bolt catch is a critical component that locks the bolt to the rear after the last round is fired. 

A faulty bolt catch can cause inconsistent cycling and may even stop the gun from firing altogether.


The most effective solution to resolve bolt catch malfunctions is to replace the worn-out component with a new one. 

It is advisable to purchase an original Kriss Vector bolt catch to ensure compatibility and longevity. 

Regular maintenance, such as cleaning and lubricating the bolt catch, can also prevent premature wear and enhance the functionality of the firearm.

8. Difficulty Disassembling for Cleaning


The Kriss Vector Gen 2 is known for its complex internal mechanism, which can make the disassembly process challenging, particularly for users unfamiliar with the firearm’s design. 

The structure involves many small, intricate parts, increasing the risk of misplacement or incorrect reassembly.


The most effective solution is to familiarize yourself with the Kriss Vector Gen 2’s design via the user manual or instructional online videos. 

Regular practice of disassembly and reassembly can also aid in becoming more comfortable with the process. 

Using a clean, well-lit workspace can decrease the chances of losing small parts or making assembly errors.

9. Erratic Ejection Pattern


The erratic ejection pattern in the Kriss Vector Gen 2 is often caused by an issue with the extractor or the ejection port. 

The extractor might not be gripping the cartridge properly, or there may be a buildup of debris in the ejection port.


The solution to this problem is twofold. Firstly, check the extractor for wear and tear. If it’s damaged, consider replacing it. 

Secondly, ensure that the ejection port is clean from any obstruction or debris. Regular maintenance and proper cleaning of the firearm will help prevent the erratic ejection pattern.

10. Cycling Issues with Subsonic Ammunition


The cycling issues with subsonic ammunition in the Kriss Vector Gen 2 often stem from the lower power levels of such rounds. 

Given that subsonic ammunition is designed to travel at a speed less than the speed of sound, it inherently carries less kinetic energy. 

This lower energy may not be sufficient to fully cycle the bolt in semi-automatic firearms like the Kriss Vector, leading to failures to eject or feed properly.


A potential solution to this issue involves modifying the recoil spring. Utilizing a lighter recoil spring can help the firearm cycle subsonic ammunition more reliably. 

This is because a lighter spring requires less energy to compress, adapting better to the lower energy levels of subsonic rounds. 

However, any modifications should be performed by a qualified gunsmith to ensure safety and the continued proper function of the firearm.

11. Incompatibility with Some Suppressors


The Kriss Vector Gen 2 exhibits incompatibility issues with certain suppressors due to its design specifications. 

This issue arises because the threading of the firearm’s barrel isn’t always a perfect match for all types of suppressors available on the market. 

This can cause problems when trying to secure the suppressor, leading to instability and potentially affecting the gun’s overall performance.


The most straightforward solution to this issue is to match your Kriss Vector Gen 2 with a suppressor specifically designed for it. 

In cases where this is not possible, an adapter can be used to bridge the gap between the gun’s threading and the suppressor. 

Always ensure to verify the compatibility of the suppressor with your firearm from the manufacturer or an authorized dealer before making a purchase to avoid any potential issues.

12. Limited Rail Space for Accessories


The Kriss Vector Gen 2 is designed with a compact and sleek structure which, although aesthetically pleasing, results in limited rail space. 

This poses a challenge for firearm enthusiasts who wish to attach multiple accessories such as optics, lasers, and flashlights. 

The limited space can restrict the customization options, potentially affecting the overall performance and versatility of the firearm.


A viable solution could be investing in rail extenders or mini-riser mounts. 

These accessories provide additional rail space, enabling users to attach more accessories to their Kriss Vector Gen 2. 

Additionally, users may want to consider compact or micro versions of accessories, which could provide similar functionality without consuming too much space. 

Always remember to balance your firearm’s weight and functionality when adding accessories.

13. Barrel Thread Protector Loosening


The loosening of the barrel thread protector in the Kriss Vector Gen 2 can be attributed to repeated recoil and vibration during firing. 

Over time, these forces can cause the thread protector to unscrew itself, especially if not initially tightened properly.


The issue can be resolved with the use of a thread-locking compound. 

Apply a small amount of this adhesive to the threads of the protector before screwing it back onto the barrel. 

This will act as a buffer against the recoil and vibration, keeping the protector securely in place during use.

14. Limited Aftermarket Support


The limited aftermarket support for the Kriss Vector Gen 2 can be attributed to its proprietary design and unique operating system. 

This unconventional design makes it challenging for third-party manufacturers to develop compatible aftermarket components, leading to limited options for customization and upgrades.


To address the issue of limited aftermarket support, it would be beneficial for Kriss to collaborate with aftermarket parts manufacturers to develop specific components compatible with the Vector Gen 2. 

This would not only increase the customization options available to users but also substantiate the brand’s dedication to user satisfaction and product versatility.

15. Uncomfortable Cheek Weld


The uncomfortable cheek weld on the Kriss Vector Gen 2 can be attributed to its distinctive design. 

This often arises due to the awkward angle at which the shooter’s cheek must rest on the stock while aiming. 

The placement and angle can lead to discomfort during prolonged use, especially for those unaccustomed to the Vector’s unique configuration.


A practical solution to tackle this problem would be to invest in a quality cheek pad. Cheek pads not only provide added comfort but also help in achieving a more stable and consistent cheek weld. 

Some shooters have also found success by adjusting their shooting stance or the eye relief of their optic to better accommodate the design of the Vector Gen 2.


While the Kriss Vector Gen 2 is an innovative firearm boasting unique recoil mitigation technology, it’s not without its share of issues. 

Users have reported problems such as inconsistent cycling and issues with the trigger pull weight. 

Furthermore, some find the firearm’s weight and balance to be less than optimal, which could affect handling and accuracy during sustained fire. 

Nonetheless, with proper maintenance, understanding of its operation, and potentially minor modifications, it can be a reliable and distinctive addition to any firearm collection.


How reliable is a KRISS Vector?

The KRISS Vector is generally very reliable, and renowned for its innovative recoil mitigation system and durability. 

However, like any firearm, its reliability can be dependent on proper maintenance and care.

Does KRISS Vector have no recoil?

The KRISS Vector does indeed have recoil, but it is significantly reduced due to its unique Super V Recoil Mitigation System. 

This system redirects the recoil downwards to counteract the upward lifting force, offering better control and stability.

Why does the vector have no recoil?

While it’s not accurate to say the Vector has no recoil, the KRISS Vector’s reduced recoil is due to its Super V Recoil Mitigation System. 

This innovative system redirects the recoil force downwards, counteracting the traditional upward muzzle climb, and as a result, provides better control and stability.

Why is KRISS Vector so popular?

The KRISS Vector’s popularity stems from its innovative design and recoil mitigation system, which provide improved control and stability, making it a preferred choice among firearm enthusiasts and professionals alike.

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