good luck with it , Im in Poland part of the year & see alot of the lucznik air guns for sale , lucznik actually means "archer" the company also made sewing machines on cast iron frames . a contemporary of Singer . glad the link was helpful . cheers .


Quote Originally Posted by scrapman View Post
Thanks very much for that link. On one thread (https://translate.googleusercontent....rtq9qKp8gZfxGA) there are a series of pics of a disassembled rifle, one of which clearly shows the piston with a machined groove in it, as suspected.

Looks like I'll be taking the gun apart after all, and those pictures will be v. helpful.