The list below is the current liners available from your local dealer and the twist rates associated with each liner.
Superior Liner Twist Rates
The Superior Liners set recent performance and innovation benchmarks for FX and the entire airgun industry. Superior Liners are fitted on all production model rifles and barrel kits. These liners are designed to shoot standard weight pellets, lightweight slugs from other manufactures, and Hybrid Slugs with maximum accuracy.
.177 Cal
300mm Length – 1:18
380mm Length – 1:18
500mm Length – 1:18
598mm Length – 1:18
.22 cal
300mm Length – 1:24
380mm Length – 1:24
500mm Length – 1:24
600mm Length – 1:24
700mm Length – 1:24
.25 cal
380mm Length – 1:24
500mm Length – 1:24
600mm Length – 1:24
700mm Length – 1:24
.30 cal
395mm Length – 1:22
500mm Length – 1:22
600mm Length – 1:22
700mm Length – 1:22
.35 cal
800mm Length – 1:25
Superior Heavy Liner Twist Rates
Superior Heavy Liners embodies a different twist rate better suited for heavier ammunition. Sold as a separate accessory and not as a barrel kit.
.22 cal
380mm Length – 1:16
500mm Length – 1:16
600mm Length – 1:16
700mm Length – 1:16
800mm Length – 1:14
*Required for projectiles heavier than 23 gr.
.25 cal
500mm Length – 1:18
600mm Length – 1:18
700mm Length – 1:18
*Required for projectiles heavier than 34 gr.
.30 cal
500mm Length – 1:18
600mm Length – 1:18
700mm Length – 1:18
*Required for projectiles heavier than 50 gr.
Contact your local dealer to get the twist that is best suited for your needs.