This FX Superior Smooth Twist X Heavy Barrel Liner or Superior STX Heavy Barrel Liner is a replacement for the original FX liner and is specially developed for the use of slugs.
They are created using the same patented innovative exterior-pressed rifling, but using upgraded techniques and tighter tolerances for greater precision. The Superior STX Heavy will shoot slugs with improved accuracy over the regular STX barrel liners.
Specifications
• Calibre: .35 cal (9mm)
• Model: Impact M3
• Liner Length: 700mm
• Rate of Twist: 1:18"
• MFG Code: 361820870
** Sold as a separate accessory and not as a barrel kit.
*** Has a different twist rate better suited for heavier pellets and heavier slugs (as opposed to lighter Hybrid Slugs and some manufacturers’ lightweight slugs).
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