Feinwerkbau Mod. 65 / 80 / 90 Air Pistol Breech/Buffer only

Feinwerkau Mod.65-80-90 crank lever combressed air pistol
This kit only have the Breech seal (1.600.122.3) and the piston buffer (1.600.124.3)
Mainspring also available, please see my other listing.