Unleash the potential of your airgun with the FX STX Superior Heavy Liner .177 600mm. This innovative liner offers a unique twist rate, making it ideal for those using heavier ammunition. As a separate accessory, it enhances performance without the need for a full barrel kit. Our initial tests suggest that this liner excels with slugs requiring a faster twist rate for optimal stability. Crafted with precision, the FX Superior STX liner elevates your shooting experience, promising improved accuracy and consistency for avid hunters.

FX STX Superior Heavy Liner .177 600mm Features:

• Superior Twist Rate: The Superior Heavy Liners feature a twist rate optimised for heavier ammunition, ensuring better stability and accuracy with heavier grain slugs.
• Separate Accessory: Sold as a separate accessory rather than a barrel kit, allowing for easy upgrades to your existing setup.
• Enhanced Precision: The FX Superior Smooth Twist X Barrel Liner is manufactured with a higher degree of precision and lower tolerance, providing a superior performance compared to standard STX liners.
• Patented Rifling Process: Utilises the patented method of pressing rifling into the barrel from the outside, now with improved modifications for enhanced results.
• Specific Twist Rates: Available in twist rates of .22 - 1:16, .25 - 1:18, and .30 - 1:16, catering to different calibre needs for optimal performance.