Revolver Webley-Kaufman: The Improved Government Pattern Revolver The Mauser brothers' first handgun was the single shot C77, which they quickly followed with the C78 'zig zag' revolver, so named for the cam grooves on the circumference of its cylinder.1910/14 model, this variation was manufactured between 1921 to 1928 with a serial number range between 221800 to 345000.
Around serial number 277,000 the milled panel on the frame was discontinued.
