Evening all, I have a question for the Feinwerkbau Sport aficionados amongst us.

Does anyone know the male thread size on the plug that secures the trigger housing into the cylinder. The plug is Feinwerkbau part number 12.159.1 and is described as a shoulder screw on their drawing. It has both a male thread for securing into the trigger housing 12.142.2 through a hole in the receiver housing and also a smaller female thread for securing the stock through the front trigger guard bolt

http://images-nitrosell-com.akamaize...ixing-plug.jpg

Thanks in advance,
Ken