5. Trigger shoe fore/aft.
6. Trigger shoe rotation.
7. Trigger weight.
8. Trigger slack.
9. Sear engagement.
Gun Mechanical Maintenance
Factory Manual
Field Stripping the FWB300
FWB300S disassembly information
(a pictorial guide by Manuel Ferrán)
Zerlegeanleitung für das Feinwerkbau 300
(from CO2air.de)
Dating your FWB300
Front sight inserts