Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year

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, Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base

The Colt .45 was a joint development between the Colt Patent Firearms Manufacturing Company, of Hartford, Connecticut, and the Union Metallic Cartridge Company of Bridgeport, Connecticut. Colt began work on the revolver in 1871, and submitted a sample to the US Army in late 1872.


, Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base
Colt Model 1872 Open-top .44 rimfire cal., single action revolver, 8″ barrel, Army size grips, traces of original finish, serial #1020.

The revolver was accepted for purchase in 1873. The cartridge is an inside lubricated type. The rebated heel type bullet design of its predecessor, the .44 Colt (.452 -.454″ diameter bullet), was eliminated, since it was an outside lubricated type, which would pick up dirt and grit during handling. The Colt .45 replaced the .50 caliber Model 1871 Remington single shot pistol and the various cap-and-ball revolvers converted to take metallic cartridges in use at the time.

, Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base
Manufactured circa 1872 to 1888 with a total production of approximately 6000 (5000 sold to the US government). The pistol has an 8″ blue barrel, casehardened frame with distinctive ‘hump’ on the back strap, the trigger is niter blue and bright hammer and breech block. The left side of the frame is marked “REMINGTON’S ILION N.Y. U.S.A. / PAT MAY 3D NOV 15TH 1864 APRIL 17TH 1866” and stamped with a “P” and “S” below and ahead of the marking. The pistol is mounted with a smooth walnut forearm and one piece smooth grip with a boxed script “C.R.S.” inspection cartouche on the left.

While the Colt remained popular, the Smith & Wesson M-1875 Army Schofield Revolver was approved as an alternate. The S&W revolver used the .45 Schofield, a shorter cartridge, which would work in the Colt, so Frankford Arsenal, then almost exclusive supplier of small arms ammunition to the US Army, dropped production of the Colt round.

, Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base
This is an example of an early production, US Army S&W Schofield Revolver. The revolver has a high polish blue finish, casehardened hammer and trigger guard, and oil-finished walnut grips. The matching serial number is located on the bottom of the grip strap and the rear of the cylinder face. The left side of the 7-inch barrel is marked with the S&W address and early 1865-1871 patent dates in two lines on the ejector housing. The right side of the ejector housing is marked : ” SCHOFIELD’S PAT. APR. 22D 1873 “. “US” is marked on the toe of the butt. Ordnance sub-inspector “L”, “A” and “P” markings are stamped on the flat below the ejector housing. An “L” is stamped below the serial number on the cylinder face and a “P” at the next chamber. A boxed four letter cartouche is visible on the lower left panel.

The M-1875 round was replaced by the .38 Long Colt in 1892. In 1909, the .45 M-1909 round was issued along with the Colt New Service revolver. This round was never loaded commercially, and is almost identical to the original Colt round, except having a larger diameter rim. The rim is large enough that it cannot be loaded in adjacent chambers in the rod-ejector Colt model.

, Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base

Colt Model 1900 .38 ACP

, Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base
Colt Model 1902 Military .38 ACP

, Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base
Colt Model 1905 Military .45 ACP

, Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base
Colt Model 1909 Military .45 ACP

, Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base

Colt Model 1911 Navy .45 ACP
, Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base
Colt Model M-1911-A1 .45 ACP

, Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base

The M-1911 is a single-action, semi-automatic, magazine-fed, recoil-operated pistol chambered for the .45 ACP cartridge. It served as the standard-issue sidearm for the United States Armed Forces from 1911 to 1985. It was first used in later stages of the Philippine-American War, and was widely used in World War I, World War II, the Korean War, and the Vietnam War. The pistol’s formal designation as of 1940 was Automatic Pistol, Caliber .45, M-1911 for the original model of 1911 or Automatic Pistol, Caliber .45, M-1911-A1 for the M-1911-A1, adopted in 1924. The designation changed to Pistol, Caliber .45, Automatic, M-1911-A1 in the Vietnam era.

In total, the US procured around 2.7 million M-1911 and M-1911-A1 pistols in military contracts during its service life. The M-1911 was replaced by the 9-MM Beretta M-9 pistol as the standard US sidearm in the early 1990s, but due to its popularity among users, it has not been completely phased out. Modernized derivative variants of the M-1911 are still in use by some units of the US Army Special Forces, the US Navy and US Marine Corps.

Designed by John Browning, the M-1911 is the best-known of his designs to use the short recoil principle in its basic design. The pistol was widely copied, and this operating system rose to become the preeminent type of the 20th century and of nearly all modern center fire pistols. It is popular with civilian shooters in competitive events such as USPSA, IDPA, International Practical Shooting Confederation, and Bullseye shooting. Compact variants are popular civilian concealed carry weapons, because of the design’s relatively slim width and the power of the .45 ACP cartridge.

Data Facts

As Robert Gibson says it on this webpage in the M-1991’s webite, 4 manufacturers made M-1911 pistols that actually saw use during the war years :

Colt
Remington-UMC
Springfield Armory (US Government owned & operated)
North American Arms Co. of Quebec (just a very few)

7 manufacturers were tooling up to produce M-1911 pistols but the Armistice stopped it all and program was cancelled :

National Cash Register Co.
Savage Arms Co.
Caron Bros. of Montreal
Burroughs Adding Machine Co.
Winchester Repeating Arms Co.
Lanston Monotype Co.

Savage Munitions Co.

During World War II, the entire production of the .45 ACP M-1911-A1 was parted into 5 manufacturers :

Colt
Ithaca
Remington-Rand
Union Switch & Signal
Singer Sewing Machine Co. (approx. 500)

, Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base

, Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base

Production Colt M-1911-A1 .45 ACP

1924 – # 700001 – # 710000 Colt – 10000
1937 – # 710001 – # 711605 Colt USN – 1605
1937 – # 711606 – # 712349 Colt USN – 744
1938 – # 712350 – # 713645 Colt – 1296
1939 – # 713646 – # 717281 Colt USN – 3636
1940 – # 717282 – # 721977 Colt – 4696
1941 – # 721978 – # 756733 Colt – 34756
1942 – # 756734 – # 793657 Colt – 36924
1942 – # 793658 – # 797639 Colt USN – 3982
1942 – # 797640 – # 800000 Colt – 2361
1941 – # S800001 – # S800500 Singer – 500
1942 – # H800501 – # H800100 Assigned to H&R – 0
1942 – # 801001 – # 856100 Colt – 55100
1943 – # 856101 – # 958100 Colt – 102000
1943 – # 856101 – # 856404 (Replacement Nos) – 304
1943 – # 856405 – # 916404 Ithaca – 60000
1943 – # 916405 – # 1041404 Remington Rand – 125000
1943 – # 1041405 – # 1096404 Union Switch – 55000
1943 – # 1088726 – # 1092896 Colt – 4171
1943 – # 1096405 – # 1208673 Colt – 112269
1943 – # 1208674 – # 1279673 Ithaca – 71000
1943 – # 1279674 – # 1279698 Replacement Nos – 25
1943 – # 1279699 – # 1441430 Remington Rand – 161732
1943 – # 1441431 – # 1471430 Ithaca – 30000
1943 – # 1471431 – # 1609528 Remington Rand – 138098
1944 – # 1609529 – # 1743846 Colt – 134318
1944 – # 1743847 – # 1816641 Remington Rand – 72795
1944 – # 1816642 – # 1890503 Ithaca – 73682
1944 – # 1890504 – # 2075103 Remington Rand – 184600
1945 – # 2075104 – # 2134403 Ithaca – 59300
1945 – # 2134404 – # 2244803 Remington Rand – 110400
1945 – # 2244804 – # 2380013 Colt – 119450
1945 – # 2368718 Last Colt Manufactured
1945 – # 2380014 – # 2619013 Remington Rand – 85126
1945 – # 2465139 Last Remington Rand MPanufactured
1945 – # 2619014 – # 2693613 Ithaca – 41305
1945 – # 2660318 Last Ithaca Manufactured

Colt duplicated the following serial numbers :

60000 pistols in the Ithaca serial range : # 856405 – # 916404
41696 pistols in the Remington Rand serial range : # 916405 – #958100
4171 pistols in the US&S serial range : # 1088726 – # 1092896

Military Versions from 1912 to 1945

Manufacturer – Serial Number – Date Made
Beginning of M-1911

(1912) Colt : # 1 to # 3190 – April 16 1912 to May 31 1912
(1912) Colt : # 3190 to # 7501 – May 31 1912 to Oct 10 1912
(1912) Colt : # 3501 to # 3799 – (first USMC pistols) delivered Jun 6, 1912
(1912/1913) Colt : # 7501 to (approximately) 20000 = Oct 10 1912 to Jan 1913
(1913) Colt : # (approx.) 20000 to 83856 = Jan 1913 to Aug 19 1913
(1912/1915) Union S&S : # 38001 to # 43900 Navy Model – Mar 9 1912 to Mar 5, 1915
(1912/1915) Union S&S : # 43901 to # 44000 Navy Model – Mar 9 1912 to Mar 5 1915
(1913) Colt : # 36401 to # 37650 USMC Model – Jul 9 1913
(1914/1916) (?) # 72571 to # 128617 – April 1914 to April 1916
(1913/1914) Colt : # 83856 to # 89801 – Aug 19 1913 to Jul 20 1914
(1914) Colt : # 83901 to # 84400 USMC Model – May 12 1914
(1914/1915) : Colt # 89801 to # 108601 – Jul 20 1914 to Feb 8 1915
(1912/1915) (?) # 96001 to # 97537 Navy Model – Mar 9 1912 to Mar 5 1915
(1915/1918) Colt : # 108601 to # 290000 – Feb 8 1915 to May 1918
# 109501 to # 110000 Navy Model
(1917/1924) Colt-Springfield : # 128617 to # 133186
# 151187 to # 151986 USMC Model
# 185801 to # 186201 USMC Model
# 209587 to # 210386 USMC Model
# 215387 to # 217386 USMC Model
# 223953 to # 223991 Navy Model
# 232001 to # 233600 Navy Model
(1918) Colt : # 290000 to # 450000 – May 1918 to Oct 24 1918
(1918/1919) Colt : # 450000 to # 629500 – Oct 24 1918 to Apr 10 1919
(1918/1919) Remington-UMC : # 1 to # 15000 – Aug 10 1918 to May 24 1919
(1918/1919) Remington-UMC : # 15000 to # 21676 – Aug 10 1918 to May 24 1919

North American Arms
# 1 to # 100
# 111, # 222, # 333, # 444, # 555
Jul 1, 1918 to Dec 4, 1918. 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

A. J. Savage Munitions Co.
This company was issued a contract on Jul 20, 1918 and canceled on Dec 4, 1918. Some parts were made but no complete pistols. It is unknown for sure if any slides were made and no frames were made.

, Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base

M-1911-A1

    (1924) Colt : (Transition Models) : # 700000 to # 710000
    (1937) Colt : # 710001 to # 711000
    (1937) Colt : # 711001 to # 712350
    (1938) Colt : # 712350 to # 713645
    (1939) Colt : # # 713646 to # 717281

    Beginning in 1940, the slide muzzle end was hardened after the finish was applied but a color mis-match was suppose to be rejected. From 1942 to 1945 all 1911-A1 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.

    (1940) Colt : # 717282 to # 721977
    (1941) Colt : # 721977 to 756733
    (1941) Singer : # S800001 to # S800500
    (1942) Colt : # 756734 to # 857000
    Colt : # 856101 to # 958100 duplicated & have GHD or WB inspection initials
    Ithaca : # 856405 to # 916404 duplicated & have FJA inspection initials
    (1943) Colt : #857000 to # 1609529
    (1943) Ithaca : # 856405 to # 900000
    Ithaca # 856405 to # 916404 duplicated & have FJA inspection initials
    (1943) Ithaca : # 900001 to # 914000
    (1943) Ithaca : # 914000 to # 916404
    (1943) Remington Rand : # 916405 to # 955000
    (1943) Remington Rand : # 955001 to # 980000
    (1943) Remington Rand : # 980001 to # 995000
    (1943) Remington Rand : # 995001 to # 1041404
    Union S&S : # 1041405 to # 1096404 duplicated RCD US&S inspection initials
    (1943) Union S&S : # 1041405 to # 1060000
    (1943) Union S&S : # 1060001 to # 1096404
    Colt : # 1088726 to # 1092896 duplicated & have GHD or WB inspection initials
    (1943) Ithaca : # 1208674 to # 1279673
    (1943) Remington Rand : # 1279699 to # 1441430
    (1943) Ithaca : # 1441431 to # 1471430
    (1943) Remington Rand : # 1471431 to # 1609528
    (1943) Colt (Commercial/Military Model) : # 857000 to # 1609529 – approx. 6575 Commercial models were converted to military production
    Note : Colt stop it’s commercial production at # C215083
    (1944) Colt : # 1609529 to # 1743846
    (1944) Remington Rand : # 1743847 to # 1816641
    (1944) Ithaca : # 1816642 to # 1890503
    (1944) Remington Rand : # 1890504 to # 2075103
    (1945) Ithaca : # 2075104 to # 2134403
    (1945) Remington Rand : # 2134404 to # 2244803
    (1945) Colt : # 2244804 to # 2380013
    (1945) Remington Rand : # 2380014 to # 2619013
    (1945) Ithaca : # 2619014 to # 2693613

    (Notice that the source of this archive is unknown and I would really appreciate to be able to credit the person who made it)

    , Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base



    , Colt Pistol Caliber .45 ACP (11.43-MM) – Serial – Brand – Year, EUCMH Knowledge Base
     

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