Colt 1911.45 ACP Production Statistics and Serial Numbers 1911.45 ACP Production Military Versions from 1912 to 1945. Manufacturer/Serial Number/Date Made Beginning of M1911: 1) Colt: S/N 1 to 3190 = April 16, 1912 to May 31, 1912 2) Colt: S/N 3190 to 7501 = May 31, 1912 to Oct. 10, 1912 (S/N 3501 to 3799 were first U.S.M.C. Pistols made by Colt delivered June 6, 1912.) 3) Colt: S/N 7501 to (approximately) 20,000 = Oct. 10, 1912 to Jan. 1913 4) Colt: S/N (approx.) 20,000 to 83,856 = Jan. Download Marieb A&P Lab Manual Answers Free here. 19, 1913 S/N 38,001 to 43,900 Navy Model (USS New York) = March 9, 1912 to March 5, 1915 S/N 43,901 to 44,000 Navy Model (USS Texas) = March 9, 1912 to March 5, 1915 S/N 36,401 to 37,650 U.S.M.C.

Model made by Colt = July 9, 1913 5) Colt: S/N 83,856 to 89,801 = Aug. Download Film 2014 Rizky Nazar Full Movie. 19, 1913 to July 20, 1914 (S/N 83,901 to 84,400 U.S.M.C.

Model = May 12, 1914) 6) Colt: S/N 89,801 to 108,601 = July 20, 1914 to Feb. 8, 1915 (S/N 96,001 to 97,537 Navy Model (U.S. Navy Yard, Brooklyn, N.Y.) = March 9, 1912 to March 5, 1915) 7) Colt: S/N 108,601 to 290,000 = Feb. 8, 1915 to May, 1918 (S/N 109,501 to 110,000 Navy Model, S/N 223,953 to 223,991 Navy Model, S/N 232,001 to 233,600 Navy Model) (S/N 151,187 to 151,986 U.S.M.C. Model, S/N 185,801 to 186,201 U.S.M.C. Model, S/N 209,587 to 210,386 U.S.M.C. Model, S/N 215,387 to 217,386 U.S.M.C.

Model) 8) Colt/Springfield: S/N 128,617 to 133,186 = 1916 to 1924 ( These models are very hard to properly identify) 9) Colt: S/N 290,000 to 450,000 = May, 1918 to Oct. 24, 1918 10) Colt: S/N 450,000 to 629,500 = Oct. 24, 1918 to April 10, 1919 11) Springfield Armory: S/N 72,571 to 133,186 = April 1914 to April, 1917 12) Remington-UMC: S/N 1 to 15,000 = Aug.

10, 1918 to May 24, 1919 13) Remington-UMC: S/N 15,000 to 21,676 = Aug. 10, 1918 to May 24, 1919 14) North American Arms: S/N 1 to 100 & S/N's 111, 222, 333, 444, 555 = July 1, 1918 to Dec. They are very rare and rank in value with Singer models. ( None of these were reported shipped to any branch of the military but about 100 regular models and about 5 presentation models were manufactured in Quebec, Canada by the North American Arms Company, Ltd.) 15) A. Savage Munitions Co. Was issued a contract on July 20, 1918 and canceled on Dec. Some parts were made but no complete pistols.

It is unknown for sure if any slides were made and no frames were made. Beginning of M1911A1: 14) Colt ( Transition Models): S/N 700,000 to 710,000 = 1924 15) Colt: S/N 710,001 to 711,000 = Early 1937 16) Colt: S/N 711,001 to 712,350 = Mid to Late 1937 17) Colt: S/N 712,350 to 713,645 = 1938 18)Colt: S/N 713,646 to 717,281 = 1939 Begining in 1940, the slide's muzzel end was hardened after the finish was applied but a color mis-match was suppose to be rejected. From 1942 to 1945 all 1911A1 pistols should show a slight to very noticed mismatch of coloring on the muzzle end of slide, and from 1943 the slide lock notch area should also show some discoloration from hardening after the pistol's finish was applied. 19) Colt: S/N 717,282 to 721,977 = 1940 20) Colt: S/N 721,977 to 756,733 = 1941 21) Colt: S/N 756,734 to 857,000 = 1942 (S/N's 856,405 to 916,404 were also duplicated by Ithaca but will have 'F.J.A.' Ithaca inspection initials.) 22) Colt: S/N 857,000 to 1,609,529 = 1943 (S/N's 856,405 to 916,404 were duplicated by Ithaca look for 'F.J.A.' Ithaca inspection initials. S/N's 1,041,405 to 1,096,404 were duplicated by Union Switch & Signal.