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BC Custom

BC Custom - Carbon Fiber Shroud, FX Crown MKII w/ 14mm barrel, 500mm

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BC Custom Carbon Fiber Shroud for FX Crown MKII w/ 14mm Barrel, 500mm - Optimize Your Airgun's Performance


Enhance the capabilities of your FX Crown MKII with the BC Custom Carbon Fiber Shroud, tailored for the 500mm, 14mm diameter barrel. This upgrade, developed in collaboration with Bullet Central and Ernest Rowe, is designed to complement an already installed tensioner, providing a complete system that maximizes barrel rigidity and improves overall shooting accuracy.

What Comes with the Kit

  • Carbon Fiber Shroud: The primary component of this kit, intended to be mounted over the tensioner to further enhance the barrel's stiffness and stability.

Important Note

  • Ensure the tensioner is installed on your FX Crown MKII before purchasing this shroud. For those interested in both the tensioner and the shroud, it is advisable to view the full kit options on the official website to ensure compatibility and optimal performance.

Installation Guide

  1. Verify Tensioner Installation: Confirm that the tensioner is already in place on your FX Crown MKII. The shroud is designed to integrate seamlessly with this existing component.
  2. Remove the Barrel: Unscrew and remove the barrel from your FX Crown MKII to access the tensioner.
  3. Install the Shroud: Align the carbon fiber shroud with the tensioner on your rifle. An O-ring within the shroud ensures a tight fit, crucial for maintaining an effective air seal and maximizing performance.
  4. Secure the Shroud: Position the shroud over the tensioner and screw it onto the tension nut. Use a 2mm Allen key to tighten the shroud until it is snug, ensuring it is securely fastened without overtightening.

Benefits of the Carbon Fiber Shroud

  • Enhanced Rigidity: By installing this shroud, you significantly increase the stiffness of the barrel, which helps to reduce vibrations and enhance shooting accuracy.
  • Lightweight Design: Carbon fiber's lightweight nature helps maintain the overall balance and maneuverability of your airgun, facilitating easier handling without sacrificing strength.
  • Durability: Carbon fiber is renowned for its durability and resistance to wear, ensuring that your airgun's performance enhancements are long-lasting.


The BC Custom Carbon Fiber Shroud for the FX Crown MKII with a 500mm, 14mm barrel is an essential upgrade for airgun enthusiasts looking to elevate their shooting experience. This shroud, when combined with the tensioner, not only improves the structural integrity of the barrel but also boosts precision and stability, making it a valuable addition for competitive shooters and serious hobbyists alike. Make sure to install the tensioner prior to adding the shroud for optimal results, and consider exploring the full kit options for a comprehensive enhancement to your airgun's capabilities.

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Additional Information

.177 Cal - .30 Cal
500mm Barrel
Model / Type:
Crown MKII
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