The FX STX Pellet Liner A, is the original Smooth Twist X liner. This is currently shipped with all FX Crown & FX Impact rifles*.
This is the pellet liner that works particularly well with standard JSB pellets (as listed below). It has also proven itself to work extremely well with other manufacturers standard pellets for each particular caliber.
- .25 caliber = JSB Diabolo Exact King 25.39gr JSB Diabolo Exact King Heavy MKII 33.95gr
- .30 caliber = JSB Diabolo Exact 44.75gr JSB Diabolo Exact 50.15
*The FX Wildcat & FX Dreamline come standard with an FX Smooth Twist barrel liner.
The STX Pellet Liner A is a common upgrade for these rifles.
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