2) Colt M1911A1 Canadian Contract: S/N 930,000 to 936,000 = 1943 ( 1,515 military model pistols were shipped to Canada through the Lend-Leased Act from this serial number range.) Caliber .45 ACP
colt 1911 manufacture date serial number
4) Colt M1911 British RAF Contract: S/N W91,100 to W110,696 = Jan. 22, 1918 to April 28, 1919 (Approx. 10,000 pistols were shipped to the Royal Air Force from this serial number range and were .455 Webley caliber.)
The above chart shows the approximate first serial number shipped for the indicated year. This number should be used as a point of reference only. It is not necessarily the very first serial number shipped, but it can be used to determine the approximate year your Ruger firearm was shipped.
Ruger does not necessarily produce firearms in serial number order. There are occasions when blocks of serial numbers have been manufactured out of sequence, sometimes years later. Also, within a model family the same serial number prefix may be used to produce a variety of different models, all in the same block of serial numbers. And in some cases, firearms may be stored for a length of time before they are shipped.
For serial numbers manufactured prior to our electronic records, or for an official letter confirming the details on your firearm please download and mail in the Request for Letter of Authenticity form.
In order to determine the year your Colt was manufactured, you also need to know which model you have. You can narrow your search by eliminating revolver models if yours is a semi-auto pistol, or vice versa. The caliber of your firearm will also help you narrow your search. For example, if your firearm is .32 caliber, it cannot be a Model 1908 Hammerless .25. Many Colt firearms have the model name stamped on the frame or on the barrel. If yours does not have the model name stamped on it, post the serial number and several good clear photos with your question on the Colt Category and we can help you determine which model Colt you have and when it was manufactured.
Authorities reportedly recovered from the slain suspect a Colt MK4 caliber .45 pistol with serial number, a Colt MK4 caliber .45 pistol without a serial number, two magazines with 10 bullets, and four fired bullet cases.
Another sought-after Colt was actually a prop firearm with a formidable Hollywood connection. It was one of a pair of .44-caliber Colt 1851 Navy percussion replica guns used by Clint Eastwood in the 1976 film The Outlaw, Josey Wales, and was accompanied by two signed certificates from Paramount Studios. One of the certificates identified the gun by serial number and attested to its having been used by Eastwood in his starring role in the classic Western. It also noted that the companion gun is now part of the Smithsonian collection in Washington, DC. The example offered by Milestone sold for $17,400 against an estimate of $5,000-$10,000. 2ff7e9595c
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