FX Superior Heavy Slug Liner 5.5MM – 700MM
Discover the next level in slug shooting with the FX Superior Heavy Slug Liner 5.5 mm – 700 mm. Born from over two decades of Swedish innovation, this liner channels the relentless pursuit of precision that has made FX Airguns a legend since 1999. Every barrel blank is lovingly hand-finished by a team of 50 expert craftsmen, each committed to delivering the consistency and accuracy that serious hunters and competition shooters demand.
At its heart lies the revolutionary Smooth Twist X technology—rigorously tested with premium Nielson Specialty Ammo and FX Hybrid Slugs—to give your heavy projectiles the perfect spin, shot after shot. The 700 mm length optimizes velocity and stability, so your slugs maintain energy and on-target performance well beyond 100 yards. Whether you’re stalking game at dawn or chasing personal bests on the range, you’ll appreciate the razor-sharp groupings and confidence this liner inspires.
But it’s not just about out-of-the-box power. The FX Superior Heavy Slug Liner is designed to evolve with your airgun. Fine-tune regulator settings, experiment with slug shapes and weights, and unlock hidden potential—just be sure to follow FX’s expert tuning guidelines to keep your warranty intact. And thanks to its robust construction and whisper-quiet operation, you’ll enjoy stealthy shots without sacrificing raw energy or durability.
From the frozen forests of Scandinavia to high-stakes matches around the globe, the FX Superior Heavy Slug Liner 5.5 mm – 700 mm has earned its reputation as a best-seller among discerning shooters. Ready to elevate your accuracy, harness maximum ballistic coefficient and push your range further than ever? Your next trophy shot begins with this precision-engineered marvel.
Key Features and Specifications
- Caliber: 5.5 mm – Optimized for heavy slug stability
- Liner Length: 700 mm – Enhances velocity and downrange energy
- Smooth Twist X Technology – Superior barrel life and perfect spin
- Premium Chromoly Steel – Unmatched strength and longevity
- Broad Slug Compatibility – Nielson Specialty, FX Hybrid, H&N and more
- Whisper-Quiet Operation – Stealthy shots without sacrificing power
- Tunable Design – Responsive to regulator and power adjustments
- Swedish Craftsmanship – Hand-finished consistency you can trust
- Experience the ultimate fusion of power, precision and performance with FX’s Superior Heavy Slug Liner. Your most ambitious shots await.
Please check out other Fx products.







