FX Airguns Superior Smooth Twist X Heavy Barrel Liner – 600mm, .22 Caliber


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FX Airguns Superior Smooth Twist X Heavy Barrel Liner – 600mm, .22 Caliber

The FX Airguns Superior Smooth Twist X Heavy Barrel Liner in .22 Caliber, boasting a length of 600mm, offers a substantial upgrade for shooters seeking enhanced performance with heavier pellets and slugs. What sets this barrel liner apart is its customized twist rate, a feature that significantly improves shooting precision compared to standard Superior STX barrel liners.

Engineered with meticulous attention to detail, the Superior STX Heavy system maintains the innovative exterior-pressed rifling characteristic of FX Airguns. However, it goes further by incorporating tighter tolerances and advanced manufacturing techniques, ensuring unparalleled precision in every shot. This meticulous construction translates to superior performance, allowing shooters to achieve tighter groupings and more consistent results.

Despite its extended length, the 600mm version of the Superior STX Heavy barrel liner offers a remarkable balance between velocity and maneuverability. It provides a slight increase in velocity compared to shorter variants while maintaining a compact size that is nearly four inches shorter than the 700mm version. This makes it an ideal choice for shooters who prioritize both speed and agility without compromising on performance.

For FX air rifle owners seeking a hassle-free upgrade, the Superior STX Heavy barrel liner offers a straightforward solution. Simply drop it into compatible models such as the FX Crown, Dreamline, or Impact, and experience an immediate improvement in shooting performance.

In summary, the FX Airguns Superior Smooth Twist X Heavy Barrel Liner in .22 Caliber is a game-changer for shooters looking to maximize the performance of their FX air rifles. With its customized twist rate, precision engineering, and compatibility with various FX models, it represents an easy and effective way to elevate your shooting experience to new heights.



  • For use with heavy pellets and slugs
  • Compatible with FX Crown, Dreamline, and Impact models with 600mm STX barrels
  • 600 mm
  • 22 Caliber