Hi this should help
https://i.imgur.com/TkYDqgI.jpg
Hi,
What is the size of the fore sight elements for a fwb 600? On some fwb models they are 18mm and 22mm?
If so ? Where do I take the measurement from?
Cheers
Hi this should help
https://i.imgur.com/TkYDqgI.jpg
Cheers, mines 18mm thanks