The FX Removable Harmonic Barrel Tuner

• Metallic alloy construction
• Allows precise tuning
• Tool-free rotating running weight for micro-adjustments
• Threaded ends for .177/.22, .25, and .30 cal.
• Compatible with most 1/2×20 UNF threaded ends

FX Integrated Harmonic Barrel Tuner

• 500mm | 600mm | 700mm lengths
• High-grade carbon fiber construction shroud
• Allows barrel dampening and precise tuning
• Tool-free rotating running weight for micro-adjustments
• Threaded ends for .177/.22, .25, and .30 cal.
• Compatible with FX Impact only