COLT Frontier (Model 1878) Colt Model 1878 Frontier Year Serial Number 1878 1 1879 1450 1880 4000 1881 4500 1882 7450 1883 9500 1884 12200 1885 13700 1886 16100 1887 18100 1888 20900 1889 22300 1890 24600 1891 27200 1892 29500 1893 31300 1894 33100 1895 34700 1896 35100 1897 36500 1898 38200 1899 41000 1900 43000 1901 48000 1902 48500 1903 49300 1904 50600 1905 51000-51210
