The Killer Instinct Fatal X crossbow is a high-performance crossbow that offers impressive speed and accuracy. It features an ultra-narrow profile and reaches speeds of up to 405 feet-per-second. 

Here are some key specifications, features, and problems of the Killer Instinct Fatal X crossbow:

Killer Instinct Fatal X crossbow

The Fatal X crossbow is known for its award-winning performance and is designed to be adjustable and customizable for a comfortable shooting experience. 

It also comes with a comprehensive PRO Package that includes everything you need to start shooting


Killer Instinct Fatal X: Specifications

The Killer Instinct Fatal X crossbow has the following specifications according to the search results:

  • Speed: 405 feet per second (fps)
  • Kinetic Energy: 142 ft-lb
  • Trigger: 3.5-lb 
  • Width (Cocked): 6.25 inches 
  • Width (Uncocked): 9.75 inches 
  • Length: 30 to 33.25 inches 
  • Weight: 7.2 lbs
  • Draw Weight: 195 lbs 
  • Power Stroke: 13.5 inches 

Killer Instinct Fatal X: Features

The Killer Instinct Fatal X crossbow is known for its impressive features that enhance its performance and user experience. Here are some of the notable features of the Killer Instinct Fatal X crossbow:

X CAM System

The Fatal X features the innovative X CAM system, which is a patented technology by Killer Instinct. This system offers a fully synchronized cam design that reduces effort during the draw and provides a smooth shooting experience.

Compact and Slimline Design: 

The Fatal X is designed to be compact and slimline, making it easy to handle and maneuver in various hunting situations. It measures just 6.25″ axle-to-axle, allowing for increased mobility in tight spaces.

High FPS (Feet per Second): 

The Fatal X is capable of shooting arrows at speeds above 300+ FPS (Feet per Second), which is considered fast and powerful. This high velocity ensures excellent accuracy and effective impact on the target.

Multi-Reticle Scope: 

The crossbow comes with a multi-reticle scope that features aim points with a rheostat. This allows for precise aiming at different distances, enhancing accuracy and versatility in various hunting scenarios.

50% Let-Off: 

The Fatal X has a 50% let-off, which means that it requires less effort to draw and hold the bowstring at full draw. This feature reduces fatigue and increases shooting comfort, especially during extended hunting sessions.

Effortless Cocking: 

The Fatal X is designed for easy cocking with the Rapid Draw Crank (RDC) system. This system simplifies the cocking process, making it effortless and convenient for the user.

Durable Construction: 

The crossbow is built with durability in mind. It is constructed with high-quality materials to withstand the rigors of hunting and provide long-lasting performance.


Depending on the package or bundle, the Fatal X may come with additional accessories such as arrows, broadheads, a case, and a dead silent crank. These accessories enhance the overall hunting experience and convenience for the user.

Fatal X Crossbow Problems

Limb Cracked Crossbow

Some users have experienced cracked or splintered limbs on their crossbows. Here are a few examples of the reported limb issues:

  • One user on Crossbow Nation reported having three broken and splintered limbs on their Fatal X Crossbow.
  • A customer review on Amazon mentioned a cracked limb after around 50 shots with the crossbow.
  • Another user on Archery Talk Forum mentioned that they and their friends experienced limb cracks while the crossbows were cocked.

It’s important to note that these are individual reports, and not all users may have encountered limb cracking issues with their Fatal X Crossbows. 

If you have a cracked limb on your Killer Instinct Fatal-X Crossbow, here are some steps you can take:

Contact the manufacturer: 

Reach out to Killer Instinct Crossbows directly to report the issue and inquire about warranty coverage or possible solutions. They may be able to provide guidance on how to address the cracked limb.

Cease use of the crossbow: 

It is recommended to stop using the crossbow until the issue is resolved. Continued use of a crossbow with a cracked limb can potentially lead to further damage or safety hazards.

Inspect the crossbow thoroughly:

Take a close look at the cracked limb to assess the extent of the damage. Check for any sharp edges, splintering, or other signs of structural weakness.

Professional repair or replacement: 

Depending on the severity of the crack and the manufacturer’s guidance, you may need to seek professional assistance for repair or replacement of the limb. 

A certified crossbow technician or an archery shop experienced in crossbow repairs can help assess the situation and provide the necessary repairs or replacements.

Follow manufacturer’s instructions: 

If the manufacturer provides instructions or recommendations for addressing the cracked limb, be sure to follow them carefully. Failure to do so may void any warranty coverage or lead to further damage.

Remember, crossbow limbs play a critical role in the safe and effective operation of the crossbow. It’s important to address any limb issues promptly and follow the manufacturer’s guidance to ensure the crossbow is in proper working condition.

Fatal X Crossbow Scope Problems

Potential Causes:

  • Misalignment: The scope may be misaligned with the crossbow, causing accuracy issues.
  • Loose Mounting: The scope may not be securely mounted to the crossbow, leading to instability and poor performance.
  • Defective Scope: The scope itself may have manufacturing defects, such as lens misalignment or internal damage.

Possible Solutions:

  • Realign the Scope: Double-check the alignment of the scope with the crossbow. Use an
  • or follow the manufacturer’s instructions to ensure proper alignment.
  • Tighten Mounting Screws: Ensure that all mounting screws are properly tightened to securely attach the scope to the crossbow.
  • Contact the Manufacturer: If the issue persists and you suspect a defective scope, reach out to the manufacturer’s customer support for assistance. They may provide troubleshooting advice or offer a replacement if the scope is indeed defective.

Fatal X Crossbow Trigger Safety

When it comes to the safety of the trigger on your Killer Instinct Fatal-X Crossbow, here are some tips to keep in mind:

  • Finger placement: Always keep your finger outside the trigger guard and off the trigger until you are ready to shoot. This helps prevent accidental firing.
  • Safety engagement: Familiarize yourself with the safety mechanism of your crossbow. Ensure that the safety is engaged (usually marked with “Safe”) when you are not ready to shoot. Only disengage the safety when you are in a safe shooting position and prepared to fire.
  • Proper handling: Handle the crossbow with care and avoid any rough or sudden movements that could inadvertently activate the trigger.
  • Keep it unloaded: When not in use, always store the crossbow unloaded and with the safety engaged. This reduces the risk of accidental discharge.
  • Follow manufacturer guidelines: Refer to the instruction manual provided with your crossbow for any specific safety instructions or guidelines recommended by the manufacturer. They may provide additional tips or precautions tailored to your specific model.
Fatal X crossbow Problem

Frequently Asked Questions

What type of broadheads should I use with the Killer Instinct Fatal X crossbow?

According to the manufacturer, both fixed and expandable broadheads will work with the Killer Instinct Fatal X crossbow. However, they recommend using expandable broadheads for the best accuracy.

Is the Killer Instinct Fatal X crossbow a good choice for hunting?

Yes, the Killer Instinct Fatal X crossbow is designed for hunting. It is described as a hard-hitting, ultra-narrow crossbow that offers good performance at a reasonable price.

Does the Killer Instinct Fatal X crossbow come with a crank for easier cocking?

The Killer Instinct Fatal X crossbow is available in different packages, and some packages may include a Rapid Draw Crank for easier cocking. It is recommended to check the specific package details to see if a crank is included.

What is the draw weight of the Killer Instinct Fatal X crossbow?

The draw weight of the Killer Instinct Fatal X crossbow is 195 lbs. 

What is the speed of the arrows shot by the Killer Instinct Fatal X crossbow?

The Killer Instinct Fatal X crossbow can shoot arrows at a speed of 405 feet per second (fps).

Does the Killer Instinct Fatal X crossbow feature an adjustable buttstock?

Yes, the Killer Instinct Fatal X crossbow has a fully adjustable buttstock.

What is the width of the Killer Instinct Fatal X crossbow?

The Killer Instinct Fatal X crossbow is designed with an ultra-narrow profile. The exact width measurement may vary, and it is recommended to refer to the manufacturer’s specifications for the most accurate information.

What type of cam system does the Killer Instinct Fatal X crossbow have?

The Killer Instinct Fatal X crossbow features the patented, fully synchronized X Cam system. This system requires less effort to draw than most crossbows and offers a 50% let-off.