Nice image capture. Reminds me of our ole friend Charles Harvey under British Patent #1793 or 1866:




Better image by Mr. Hallquist.

http://www.doublegunshop.com/forums/ubbt...true#Post275692

So a best guess to date it would be post 1866 and pre-1871? Looks to be a carbon copy and maybe Kirner is responsible for importing or the transfer of technology of the grip-catch/Harvey/Rigby style forend latch into the Austo-Hungarian empire? Let's see the forend latch there Bob.

Kind Regards,

Raimey
rse