FX Impact - Harmonic Tuning for Accuracy shooting slugs 

In this video I describe how I go about harmonic tuning.
Everything I know about this topic was taught to me by Matt Dubber and the Air Hunters.
Please watch the below-listed videos before taking my advice on harmonic tuning.
FX Masterclass: FX Impact - FPS Tuning
• FX Masterclass : FX Im...
The Ultimate Guide to FX SLUG LINERS
• The Ultimate Guide to ...
Air Hunters channel
/ @airtac-hunting
AirArmsHuntingSA (Matt Dubber)
/ moshdubber