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BC Custom

BC Custom - Carbon Fiber Shroud, FX Crown MKII w/ 14mm barrel, 600mm

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BC Custom Carbon Fiber Shroud for FX Crown MKII w/ 14mm Barrel, 600mm - Advanced Barrel Enhancement


Optimize your FX Crown MKII with the BC Custom Carbon Fiber Shroud, designed specifically for the 600mm, 14mm diameter barrel. This product, a result of a collaboration between Bullet Central and Ernest Rowe, is engineered to complement an existing tensioner, rounding out your airgun’s setup to maximize barrel rigidity and improve overall shooting accuracy.

What Comes with the Kit

  • Carbon Fiber Shroud: The only component in this kit, crafted to mount over the tensioner to significantly enhance the barrel's stiffness and stability.

Important Note

  • This shroud should only be installed after the tensioner has been set up on your rifle. If you are interested in both the tensioner and the shroud, it is recommended to check out the full kit options on the official website to ensure full compatibility and optimal performance.

Installation Guide

  1. Ensure Tensioner Installation: Verify that the tensioner is already installed on your FX Crown MKII. The shroud is designed to fit over this component, which must be in place first.
  2. Access the Tensioner: Remove the FX barrel to expose the tensioner, noting that the end with a recessed cut should be pointing downrange.
  3. Install the Shroud: Align the carbon fiber shroud with the tensioner on your rifle. The shroud features an O-ring to ensure a tight fit, essential for maintaining an effective air seal and enhancing performance.
  4. Secure the Shroud: Place the shroud over the tensioner and screw it onto the tension nut. Tighten until snug, using a 2mm Allen key through the hole in the tension nut to ensure it is securely fastened.

Benefits of the Carbon Fiber Shroud

  • Enhanced Rigidity: The addition of this shroud increases the stiffness of the barrel, minimizing vibrations and enhancing shooting accuracy.
  • Lightweight Design: Carbon fiber is exceptionally light, which helps maintain the overall balance and maneuverability of your airgun without compromising durability.
  • Durability: Known for its robustness and resistance to deformation, carbon fiber ensures that the enhancements provided by this upgrade are durable and long-lasting.


The BC Custom Carbon Fiber Shroud for the FX Crown MKII with a 600mm, 14mm barrel is an essential upgrade for shooters aiming to achieve the highest level of performance from their airgun. By improving the structural integrity and stability of the barrel, this shroud not only increases precision but also enhances the overall handling of the airgun. Ensure that the tensioner is properly installed before adding the shroud for optimal results, and consider exploring full kit options for a comprehensive upgrade to your shooting capabilities.

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Additional Information

.177 Cal - .30 Cal
600mm Barrel
Model / Type:
Crown MKII
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