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BC Custom

BC Custom - Carbon Fiber Shroud, FX Wildcat MKIII and Maverick, 500mm

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BC Custom Carbon Fiber Shroud for FX Wildcat MKIII and Maverick, 500mm - Precision Barrel Enhancement


Upgrade the performance of your FX Wildcat MKIII and Maverick with the BC Custom Carbon Fiber Shroud, designed for the 500mm barrel. This product, developed in collaboration with Bullet Central and Ernest Rowe, is engineered to work seamlessly with an existing tensioner, providing a comprehensive solution to maximize barrel rigidity and improve shooting accuracy.

What Comes with the Kit

  • Carbon Fiber Shroud: The primary component designed to be installed over the tensioner, significantly enhancing the barrel's stiffness and stability.

Important Note

  • This Carbon Fiber Shroud should only be installed after the tensioner has been set up on your rifle. For those interested in both the tensioner and the shroud, it is recommended to explore the full kit options available on the official website to ensure compatibility and optimal performance.

Installation Guide

  1. Ensure Tensioner Installation: Confirm that the tensioner is already installed on your FX Wildcat MKIII or Maverick. The shroud is designed to fit over this component, so it must be in place first.
  2. Remove the Barrel: Unscrew and remove the barrel from your FX airgun to access the tensioner.
  3. Install the Tension Nut: Identify the end of the tensioner with the recessed cut, which should be pointing downrange. The side without the cut slides on first towards the rifle. Attach the tension nut to the recessed end and tighten it securely using a 2mm Allen key.
  4. Install the Shroud: Align the carbon fiber shroud with the tensioner. The shroud features an O-ring to ensure a tight fit, which is crucial for maintaining an effective air seal and optimizing performance.
  5. Secure the Shroud: Place the shroud over the tensioner and screw it onto the tension nut until snug. Ensure it is securely fastened using a 2mm Allen key, but avoid overtightening.

Benefits of the Carbon Fiber Shroud

  • Enhanced Rigidity: This shroud significantly increases the stiffness of the barrel, reducing vibrations and enhancing shooting accuracy.
  • Lightweight Design: Carbon fiber is exceptionally light, helping to maintain the overall balance and maneuverability of your airgun without compromising on strength.
  • Durability: Known for its robustness and resistance to deformation, carbon fiber ensures that the performance enhancements provided by this upgrade are long-lasting.


The BC Custom Carbon Fiber Shroud for the FX Wildcat MKIII and Maverick, 500mm, is an essential upgrade for shooters aiming to achieve the highest level of performance from their airgun. By enhancing the structural integrity and stability of the barrel, this shroud boosts precision and stability, making it an invaluable addition for competitive shooters and serious airgun enthusiasts. Ensure the tensioner is installed prior to adding the shroud for optimal results, and consider exploring the full kit options for a comprehensive enhancement to your shooting experience.

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Additional Information

.177 Cal - .30 Cal
500mm Barrel
Model / Type:
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1 Review

  • 3
    As noted, the 500mm shroud for Wildcat/Maverick.

    Posted by Mike Van Veghten on Feb 16th 2024

    I've tried calling several times today to ask a question. I assume that there is / should be something to stabilize the "aluminum ring / o-ring" end to the barrel ? I don't think that it should b floating free, am I correct ? Thanks. Mike

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