Feinwerkbau Vintage Dust Cap for Compressed air or C02 Cylinder #1840.214.1

Vintage dust cap.
This is the original version before they revised and make them black
#1830.214.1
Plastic dust cap
Will fit all cylinders from Feinwerkbau (compressed air and C02)
Will also fit the pistol or rilfe end
A must to avoid dirt to get inside the regulator
This is a genuine Feinwerkbau parts