Colt Service Ace Serial Numbers

Photos & Information

Disassembly Instructions

Parts Identification

Production Dates

Colt Ace
Instruction Sheet
Form A-106 PDF (274k)
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M. Dolfi Collection

Pre-war Ace Model .22, serial number 5241 - One of less than 800 Aces purchased by the U.S. Government. One of 200 sold to the United States Government and shipped to the U.S. Coast Guard Depot, Curtis Bay, Maryland c/o Joseph A. Lorch, Washington, DC on June 20, 1934. It was processed on Colt Factory Order number #13580/200. While the frame is number 5241, the slide is numbered 5231. The pistol is listed in the SRS as being at the Bureau of Printing and Engraving range in 1940.

National Archives Records for Colt Ace serial number 5241.

National Archives Records for Colt Ace serial number 5231. The slide on Colt Ace serial number 5241 is numbered 5231.

Right side of Colt Ace serial number 5241.

Colt Ace serial number 5241 - Pistol was one of a 200 shipment to the US Coast Guard.

Technically speaking, Colt serial numbers tend jump all over the place with no set pattern. That’s why it’s difficult to understand them without a point of reference. Design changes can also change the look of the serial numbers. For example, there is the issue of the 1970s Colt M1911’s commercial production. COLT ACE PRODUCTION: Date: Serial Number: Comments: 1931: 1-3970: 1932: 3790-4420: 1933: 4300-4970: 1934: 4800-5960: 1935: 5850-6300: 1936: 6150-7130: 1937. Colt Ace Model.22 Pistol Colt Pre-1945 Service Model Ace.22 R.F. Pistol Colt Service Model Ace-Post-War Colt Conversion Units.22.45,.45.22 Colt Pre-war and Post-war “U” numbered Service Model Colt Post-war Conversion Units Colt Pre-war Service Model Ace (Re-) Conversion Unit.45-22 Colt Military National Match.45 Pistol (Drake Slide). Year / Serial Number. 1840-1843 1-500. Colt Baby Dragoon Pocket. Year / Serial Number. 1847 1 1848 2000 1849 8000 1850 12000 - 14000. Cloverleaf House Model Revolver.41. Year / Serial Number. 1871 1 1872 4000 1873 5000 1874 6000 1875 7200 1876 9600 - 9952. 1st Model Deringer Chambered in.41 caliber Manufactured circa 1870-1890. The Service Model Ace frames and frame small parts are identical to the Series 70.45ACP Government Model. The only difference is the serial#. Slide parts specific for the SMA pistols/Colt.22 Conversion Unit would be the slide, barrel/floating chamber, extractor, firing pin, firing pin spring?, recoil spring, stamped ejector, #2 slide stop, magazine.

Colt Service Model Ace Serial Number SM2326 - WWII issue, RS inside a Box for Colonel Robert Sears. The slide is numbered to the gun. The pistol belonged to U.S. Navy Captain Arthur Stark of the USS BARBET, a mine sweeper which worked mainly the area surrounding the Panama Canal.

Colt Service Model Ace serial number SM2326 was one of 90 pistols sold to the United States Government and shipped to the Commanding General, Springfield Armory, Springfield Massachusetts on October 22, 1941. It was processed on Colt Factory Order number 9966.

Close-up of the R.S. ordnance mark.

Colt Service Model Ace SM2033 right side view.

Right side close-up of serial number. Note: there is no UNITED STATES PROPERTY mark above the serial number on the frame as there is on some guns in this serial number range.

This Remington MkIII 10 gauge Very flare gun (ca. 1943) with accompanying holster and three original boxes of flares (green, white & red) was also owned by U.S. Navy Captain Arthur Stark of the USS BARBET.

Colt Ace Service Model

Mark III - The Remington Arms-Union Metallic Cartridge Co. Inc., Remington Bridgeport Works-Bridgeport, Connecticut, U.S.A.