This FX Superior Smooth Twist X Heavy Barrel Liner (Superior STX Heavy Barrel Liner) will shoot both heavier pellets and heavier slugs with improved performance vs. regular Superior STX barrel liners because of a customized twist rate.
The Superior STX Heavy was created using the same innovative exterior-pressed rifling, but with tighter tolerances and upgraded techniques and for greater precision.
This 700mm version gives you a little more speed than the shorter versions, making it ideal for long-range shooting. If you're looking for an easy way to upgrade your FX air rifle, get a Superior STX barrel liner and drop it in today.
FX Superior STX Heavy Liner, 700mm, .22 caliber:
