HUMA FX Tuning Hammer Spring High Power
HUMA-AIR
$12.99
HUMA FX Impact MKI and MKII Tuning Hammer Spring High Power
The Hammer Spring has a bit more power then your factory hammer spring and gives you more power adjustment options.
Great for tuning your FX Impact for Slugs and Hybrids slugs
Tghis Spring will also work in your Crown, Mavericks and other non-Impact rifles