Features
- Heavy duty steel spring
- Heavier spring rating helps valve knocker strike gas valve with greater force to open valve longer for better operation during winter conditions (will increase FPS during non-winter conditions)
- For use with FNX-45 Series Gas Blowback Pistols
Compatibility: For Cybergun FNX-45 Series Gas Blowback Pistols
Material: Spring Steel
Manufacturer: AMG / Guarder