Model 1890 "Bittner" system manual repeating centerfire pistol, 7.7 mm Bittner caliber. Bronze plated barrel. Case hardened frame, marked on the right side "Patent Bittner" and stamped, with frog. Engraved screws. Ring trigger guard advancing for loading and protecting the tail of trigger. Walnut stock plates partially checkered. With its magazine. Finishing bluish jaspé. Length: 29 cmB .E . Manufactured around 1900 to 400 specimens approximately . Emil Gustav Rupert Bittner (1843-1906) deposited the patent for this innovative and atypical weapon in 1893.

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