Hi Bruce
Some more numbers for you
Wehrauch HW 35 leather seal --------------- transfer port = 4mm ID X 26mm ---- Cylinder = 30mm ID X 65mm stroke
Weihrauch HW35 synthetic seal ------------- transfer port = 2.8mm ID X 26mm -- Cylinder = 30mm ID X 65mm stroke
^^^^^^^^^^^^^^^^^^
These are not carved in stone
Weihrauch HW35 synthetic conversion kit ---- transfer port = 4mm ID X 26mm ---- Cylinder = 30mm X 62mm stroke
Weihrauch HW35LGV ------------------------ transfer port = 4mm ID X 6mm ----- Cylinder = 25mm X 71mm stroke
All the best Mick