My Ca 1900 Sauer sidelock made for & sold by VL&D on the American market is marked Sauer & Son, not Sauer & Sohn for whatever it's worth. A 75cm bbl would be just over 29½" while a 76cm one would be just under 29 15/16". I believe both were fairly common metric lengths. Mine is an even 30".


Miller/TN
I Didn't Say Everything I Said, Yogi Berra