FX Superior Heavy STX Barrel Liner .30 700mm Pellet/Slug brand_-Blackrock 44m to infinity for a

44m to infinity for a clean sight picture at typical field ranges

The polymer tip also protects the bullet in the magazine and improves the ballistic coefficient

and adjustable ankle straps with Velcro allow you to tuck the leg neatly into boots or gaiters

dog walking and general outdoor jobs in wet or muddy conditions

FX Superior Heavy STX Barrel Liner .30 700mm Pellet/Slug brand_-Blackrock 44m to infinity for aThe FX Superior Heavy Smooth Twist X (STX) barrel liner is a replacement rifled liner for FX PCP air rifles, manufactured using FX's patented process of pressing the rifling into the barrel from the outside. This 700mm liner is chambered in . 30 calibre and carries a 1: 22" twist rate, making it well matched to heavier . 30 calibre pellets and heavier slugs. The "Heavy" designation does not refer to a thicker barrel wall per FX, it denotes a different