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BC Custom

BC Custom - Carbon Fiber Tensioner, FX Impact MKI/MKII, 500mm

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BC Custom Carbon Fiber Tensioner for FX Impact MKI/MKII, 500mm - Precision Barrel Enhancement


Enhance the structural integrity and performance of your FX Impact M3 with the BC Custom Carbon Fiber Tensioner, specially designed for the FX Impact MKI/MKII, 500mm barrel. This tensioner, developed in collaboration with Bullet Central and Ernest Rowe, is engineered to provide significant improvements in stiffness and rigidity, with the option to further augment these qualities with an additional shroud.

What Comes with the Tensioner

  • Tension Nut: Essential for securing the tensioner in place and ensuring the stability of the assembly.
  • Carbon Fiber Tensioner: The primary component designed to enhance the barrel's rigidity and reduce overall weight, facilitating improved accuracy.

Optional Upgrade

  • Carbon Fiber Shroud: Available for separate purchase, this shroud can be added to the tensioner to increase the barrel's stiffness and rigidity further, enhancing shooting accuracy.

Choosing the Right Tensioner Kit

  • With Clamp: If your FX Impact M3 is equipped with a clamp, choose the tensioner kit that includes a clamp to ensure a secure and optimal fit.
  • Without Clamp: For FX Impact M3 models without a clamp, the standard tension kit is suitable. It is crucial to select the appropriate kit based on your airgun’s configuration for proper installation.

Installation Guide

  1. Prepare the Tensioner: Identify the ends of the tensioner. The end with a recessed cut is designed to point downrange, indicating the front end of the tensioner.
  2. Install the Tension Nut: Slide the non-recessed end of the tensioner onto the barrel first, moving towards the muzzle where it will sit. Attach the tension nut to the recessed cut end and tighten it securely using a 2mm Allen key.
  3. Verify Alignment: Ensure that the tensioner is properly aligned along the barrel. Proper alignment is critical for the tensioner to function effectively, ensuring improved barrel performance.

Benefits of the Carbon Fiber Tensioner

  • Weight Reduction: Constructed from carbon fiber, the tensioner significantly lightens the barrel, enhancing maneuverability and ease of handling.
  • Increased Stiffness and Accuracy: The tensioner adds substantial stiffness to the barrel, reducing vibrations and flex during shooting, which contributes to improved accuracy and consistency.


The BC Custom Carbon Fiber Tensioner for the FX Impact MKI/MKII, 500mm, is an essential upgrade for shooters aiming to optimize their rifle's performance. This tensioner not only enhances the structural integrity of the barrel but also improves precision and handling. For those seeking maximum performance, the additional carbon fiber shroud is a worthwhile investment, ensuring your FX Impact M3 performs exceptionally well in any shooting scenario.

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Additional Information

.177 Cal - .30 Cal
500mm Barrel
Model / Type:
FX Impact
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