Colt Model 1903 Pocket Hammerless - Variants

Variants

• Type I: separate barrel bushing, 4 inch barrel, no magazine safety, Serial numbers 1 through 71,999
• Type II: separate barrel bushing, 3¾ inch barrel; 1908–1910, SN 72,000 through 105,050
• Type III: integrated barrel bushing, 3¾ inch barrel; 1910–1926, SN 105,051 through 468,789
• Type IV: integrated barrel bushing, 3¾ inch barrel, magazine safety
• Type V: integrated barrel bushing, 3¾ inch barrel, military sights, magazine safety on both commercial and "U.S. Property" variations. SN 468,097 through 554,446.

There was also an M1903 version with a military Parkerized finish, which is otherwise the same as the Model IV, SN 554,447 through 572,214.

• Serial Number Table .32 Pocket Hammerless

Year Serial Number 1903 1 to 4099 1904 4100 to 16499 1905 16500 to 33999 1906 34000 to 50999 1907 51000 to 67399 1908 67400 to 80499 1909 80500 to 92499 1910 92500 to 105999 1911 106000 to 124499 1912 124500 to 141999 1913 142000 to 158999 1914 159000 to 172499 1915 172500 to 192999 1916 193000 to 234999 1917 235000 to 263999 1918 264000 to 289999 1919 290000 to 327999 1920 328000 to 373999 1921 374000 to 399999 1922 400000 to 416999 1923 417000 to 436999 1924 437000 to 445999 1925 446000 to 455999 1926 456000 to 469999 1927 470000 to 471999 1928 472000 to 488999 1929 489000 to 497999 1930 498000 to 503999 1931 504000 to 510999 1932 511000 to 512999 1933 513000 to 513999 1934 514000 to 515999 1935 516000 to 517999 1936 518000 to 520999 1937 521000 to 528999 1938 529000 to 536999 1939 537000 to 538999 1940 539000 to 542999 1941 543000