Colt year by serial number

Colt AR-15 Rifle. HAMMER & TRIGGER PIN SIZES. Colt is the only AR-15 rifle manufacturer to use both small and large diameter pins in their trigger groups. Most Colt AR-15 rifles manufactured before 1991 and after fall 2009 are probably small pins while rifles manufactured between 1991 and fall 2009 are probably large pins.

Colt year by serial number. Serial ports have been an important I/O tool for decades. Learn how they work! Advertisement Considered to be one of the most basic external connections to a computer, the serial p...

The year/serial numbers under Colt SP series was forwarded to me by an individual whose return address I no longer have. Double asterisk (**) under Bushmaster, a person on the internet e-mailed me that he had a lower that was shipped stripped (thus not a complete rifle) in 1991 from Bushmaster with serial #0327XX - ALWAYS CALL TO …

Colt Website Serial Number Manufacture Date Lookup. Just wanted to share should be a significantly more complete database for Colt manufacture dates, by serial number, on the Colt website. It can …Year: Serial Number Range: Manufacturer: Number Produced: 1924: ... * Colt duplicated the following serial number blocks: 60000 pistols in the Ithaca range 856405-916404 The Colt 1911 serial number is located on the left side of the frame, just above the trigger guard. The serial number is a combination of letters and numbers, and it is typically stamped in small, raised letters. The first two digits of the serial number indicate the year of manufacture. Posted March 26, 2011. I would assume Savage began production at S-15041 because Colt ended production at NO 15040. There is no documentation that states Savage production began at S-15041. However, there is a frame with the serial number S-15043 and a few known 15,000 serial numbered Savage Thompson's.Learn how to decode Colt serial numbers, prefixes, suffixes, and model codes to trace the origin and history of your firearm. Find out the fast and reliable methods to look up Colt serial numbers online or … Search the database by serial number to find historical information on your Colt firearm, such as model, date, and value. This tool is approximate and not definitive, for legal or compliance purposes. Learn how to decode Colt serial numbers, prefixes, suffixes, and model codes to trace the origin and history of your firearm. Find out the fast and reliable methods to look up Colt serial numbers online or …Dec 18, 2016 · 1968 73800. 1969 90000-99999 90000, Start "E" series-- E1001. 1970 E6301. 1971 E21201. 1972 E38001. 1973 E53501. 1974 E61001. 1975 E83701-E99999, 01001E to 15000E. 1976 15001E-48300E.

The Evolvement of the Colt Serial Number: Using the Colt M1911. The M1911, or the A1 (1912), was a commercial version with regular Colt serial numbers comprising simple signs and symbols. These gun version serial numbers halted during the 1970s, continuing from the codes of the initial varieties. Meanwhile, every other gun has a 70 as the first ... The following is a table that shows the year of manufacture for each of the first two digits of the Colt 1911 serial number: | First Two Digits | Year of Manufacture | | 01-09 | 1911-1919 |The Colt serial number lookup often doesn't have more recent numbers. To get a date call Colt during business hours and be prepared for a long wait on hold. ... 962-(Colt) 2658, was manufactured in (or possibly shipped, not sure) in May of this year (2020). Save Share. Like. C. CLASSIC12.A.The Winchester Model of 1917 rifle with the “W” and serial number on the receiver is an early production variant. The first approximately 5,000 M1917 rifles manufactured by Winchester were ...I don't know about the online database, but when I called them with the S/N of a Colt pre-ban AR-15, they were able to tell me the month and year it was built. +1. When I bought my Sporter Hbar I called them and they did just that. I ended up shelling out $15 for them to send a letter with S/N and build date. G.

According to the book I have, Colt Scouts, Peacemakers & New Frontiers in.22 Caliber by Don Wilkerson serial #'s between 31209K & 35188K were made in 1967, and from 35189K to 40437K were made in 1968. the numbers on the paper work have six digit #'s and must be Colt internal reference #'s as all Scout "k" series revolvers had five …John. I kept an informal Colt SP1 notes about serial numbers that was discussed in a large AR site survey. 1983 - 1985. 2116XX. 173XXX. 1982. 173XXX. 140XXX. So yours would be made about 1983, a lot of people said that the production of the SP1 model ended in 1982, but they probably made some more from 1983 to 1985.May 25, 2019 · There are a lot of ways for you to lookup serial numbers the firearms nowadays. In the case of Colt serial numbers, you have up to 3 available choices to choose from depending on your preference: Serial number lookup Letter of authenticity ; Manual search; Serial Number Lookup By Rebecca O'Brien Few older devices use USB connectors, but most modern computers use this type of port to transfer data. By using a USB to serial adapter, you can continue to use...

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The serial number can usually be found on the crane, which is the part that holds the cylinder in place. It is usually located on the inside of the crane. 2. Is the serial number always on the frame? Yes, most Colt .45 revolvers have the serial number engraved on the frame.Kenworth semi trucks manufactured after 1981 have a unique, 17-character VIN (vehicle identification number) used to identify it specifically for all legal purposes. The VIN, when ...To determine the year of manufacture, you will need to locate the serial number on your firearm. As mentioned earlier, it is typically found on the bottom of the grip frame or on the butt of the gun. If you are unable to find it, you can refer to the user manual or contact Smith and Wesson directly for assistance. 1.Welcome to the Colt Forum ata and 1956Bird. It isn't yet all-inclusive but Colt's has a serial number look-up found here: Colt Firearm Serial Number Lookup - Year of Manufacture. Also, Colt's will give you a manufacturing date when you call them and supply your serial number: 1- 800-962-COLT (2658) * Mon-Fri 9am to 5pm EST.For specific information on a particular Colt, send your model name, caliber, serial number, and check to: Colt Historian. PO Box 1868. Hartford, CT 06144-1868. Phone: 1-800-962-COLT. Check with Colt Historical Dept. for current prices. FIRST SERIES WOODSMAN: 1915-1947. Manufacture Dates by Serial Number. Target and Sport Models.Colt Firearm Serial Number Lookup - Year of Manufacture. Thanks much John. Both 1909s appear to have been made in 1911. C. coltgrabber Discussion starter. 51 posts · Joined 2013. #8 · Mar 7, 2013. The Mod. of 1917 I just looked up was in the very last shipment of 3,000 to the Army Reserve Depot, South Schenectady, NY.

Feb 1944. MT16611. SECOND SERIES WOODSMAN: 1947-1955 (Target, Sport, and Match Target Models Models) DATE. Approximate Serial Number. Nov 1947.Buying a used iPhone can save you money (I've never bought a new one). However, buying secondhand comes with its own issues. Before you buy, make sure to check its serial number at...Thanks to your contributions, there are now 145 serial numbers recorded in the file. -- 61% of the total reported were manufactured in the years 1902 through 1907. -- 58 (or 40%) verified with Colt Archive letters. -- 53% were reported with 4-3/4" barrels, 23% with 7-1/2", and 22% with 5-1/2".In the book "Colt, an American Legend" by Wilson, the table of serial numbers says that the year 1977 started with Gold Cup serial number 70N40401, and the year 1979 started with serial number 70N66934. For some reason no number is given for 1978. But assuming that the 26,533 Gold Cups manufactured during 1977 and 1978 were …1970. CS003000-CS005280. 1971. 202189-202388. Douglas G. Sheldon Colt's Super .38 - The Production History from 1929 through 1971 Willernie, MN 55090. YEAR Approximate Serial Number SN Range 1929 1-5850 1930 5350-10340 1931 9700-13670 1932 13600-14830 1933 14000-15200 1934 14400-17370 1935 16970-20020 1936 18900-24480 1937 …No idea on those production numbers. Only Colt knows, and they aren't telling. You can call Colt Customer Service @ (800-962-COLT(2658)) and ask them what year your gun was made. ... Make that call to Colt (800-962-2658) and find out what year your Anaconda was made, then drop me a note with serial number, model number and …Colt Single Action Army & Bisley Revolvers, Pre-WWII Production: Year: Serial Number Range: Year: Serial Number Range: 1873: 1-199: 1907: 288000-303999: 1874: 200 …The KT series serial number was somewhere in 1990-1991 but was short lived. The PY series serial number started in 1992 and ended in 1993. The PN series serial number started in late 1993 and ended in 1997. The first Python Elite was serial number PN13865 and the last regular production Python Elite was serial PE07104.This is a proposed corrected correlation for serial numbers and years of manufacture. The largest correction came in 1873, as 3000 known deliveries to the U.S. Government were added. ... For example I own a Colt Model 1895 revolver serial number 115893 which letters as shipped Dec 1898 even though antique pre 1899 according to …(manufactured from 1971 to 1973) Caliber: 45 Colt; Beginning Serial Number: Years of Production: 45-00001: 1971: 45-13201: 1972: 45-21804: 1973: 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. ... For serial numbers manufactured prior to our ...U.S. Military M1917 Revolver: Colt: Covering numbers: 1 - 151700. Please enter a serial number and click the submit button.

Colt75. Boy, you don't ask much. If there is no "SA" prefix or suffix or "S" at the beginning and "A" at the end of serial number it is a Pre-War or Pre-War/Post-War SAA. The 2nd Generation SAAs have an SA" suffix. The last 2nd Generation was 73205SA made in 1975. The 3rd Generation started at 80000SA. About 1978 after 99999SA Colt started ...

Serial Numbers by Year. Year. Serial Number Start. 1860. 1. 1861. 2000. 1862. 25000.Smith and Wesson have produced various gun versions for over 150 years. There are unique serial numbers for each, emphasizing the importance of knowing yours, especially its location. You’ll find a small metal plate on the pistol’s frame with the unique code imprinted. You can easily locate the plate on the firearm’s side, next to the trigger guard.Colt Semi -Automatic Pistols top. Ace .22 Ace Service .22 Challenger, Huntsman & Targetsman .22 Combat Commander Gold Cup N.M. .38 Gold Cup N.M. .45 Junior Colt .22 Junior Colt .25 Junior Colt .22, .25 & Colt Auto Cal.25 from 1970 Kit .38 Special (.38 Special Caliber) Kit .38 Special (.45 ACP) Kit Conversion .45 - .22 Kit Conversion .22 - .45 ...However that Colt website only provides the date of manufacture when a specific serial number is entered. What I was hoping to find is a list of serial numbers for each year of manufacture as I have seen for other Colt models such as say the 1849 pocket, 1860 Army, 1873 SAA, etc.Feb 17, 2023 · 9258 posts · Joined 2011. #5 · Feb 17, 2023. My 8” anaconda is AC200912 made 8/11/21. my 6” anaconda is AC204220 made 9/21/21. i don’t see any correlation of the serial scheme that translates to the year of manufacture. Colt is not known for doing that on any model firearm theyve ever made. example. Uberti single actions have a two ... In a bid to further expand into the world of audio production, the paper of record has acquired the one podcast (other than your own) that your parents have definitely heard of. Th...To read a Colt serial number, start by locating the serial number on your firearm. It is typically located on the frame or receiver of the gun. Then, refer to the Colt serial number chart to identify the year and model of your firearm. Can I determine the age of my Colt firearm by its serial number?For the total available Colt serial numbers you'll need to buy a copy of a book or booklet by R.L. Wilson. His book "Colt: An American Heritage" has ALL known Colt production and serial numbers up to 1985. After 1985, there is no public information, and you have to call Colt. Wilson also publishes a booklet with just the serial and production info.Some people count down to midnight on New Year's Eve, others count to 1 thousands of times. As you may remember, the largest known prime number, M82589933 (or 282,589,933-1), was d...

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22689 posts · Joined 2013. #4 · Jun 15, 2018. I have a few very early 2nd gen SAA's that have what appears to be hand stamped (slanted) SN's. Also, some of the very early 2nd gen SAA's also have the appearance of having had a SN filed aways and a new one punched in over the depression.Support the channel by subscribing to Big Daddy Unlimited! .99 Cents for the first month! https://bigdaddyunlimited.com/?oid=1&affid=467 Colt 2020 Python Gen...The Colt serial number lookup often doesn't have more recent numbers. To get a date call Colt during business hours and be prepared for a long wait on hold. ... 962-(Colt) 2658, was manufactured in (or possibly shipped, not sure) in May of this year (2020). Save Share. Like. C. CLASSIC12.1997 serial numbers are MM93645 → MM99085. 1998 serial numbers are MM99086 → MM99999, and then the new AN serial number set begins. 1998 serial numbers are AN01001 → AN05442. Serial numbers MM01004, MM01006, MM01007, MM01010, MM01027 and MM01044 were also 1998. 1999 serial numbers are AN05443 → AN10496.10 posts · Joined 2022. #1 · Nov 2, 2022. Colt Model P. Single Action Army, 45 Cal, serial number 4710. Notes from my Father-in-law: part of the original issue of 1,000 (Lot #5) to the U.S. Cavalry. Purchased in 1948 by my Father in Law from a dealer in New England for $80.00. When purchased, it had the current finish and white plastic grips.That may be true now since CZ Group bought out Colt in 2021 after 175 years but if you bought a new gen Python before the takeover, the serial number started out as PY001001 as number one. I know also of the new gen King Cobras that started out I believe are RA2100001. Share.The highest serial number on record is 43987K. Colt's Frontier Scouts and other .22 Caliber Single Actions-k5271k1.jpg The P series or "Frontier Scout '62" revolvers were introduced in 1962 and featured a new "Midnight Blue" finish combined with the heavy Zamak alloy receiver and grip frame of the K series. The series started with serial number ... For specific information on a particular Colt, send your model name, caliber, serial number, and check to: Colt Historian. PO Box 1868. Hartford, CT 06144-1868. Phone: 1-800-962-COLT. Check with Colt Historical Dept. for current prices. FIRST SERIES WOODSMAN: 1915-1947. Manufacture Dates by Serial Number. Target and Sport Models. 1968 73800. 1969 90000-99999 90000, Start "E" series-- E1001. 1970 E6301. 1971 E21201. 1972 E38001. 1973 E53501. 1974 E61001. 1975 E83701-E99999, 01001E to 15000E. 1976 15001E-48300E.1968 73800. 1969 90000-99999 90000, Start "E" series-- E1001. 1970 E6301. 1971 E21201. 1972 E38001. 1973 E53501. 1974 E61001. 1975 E83701-E99999, 01001E to 15000E. 1976 15001E-48300E.3rd Generation Colt Dates of Manufacturing Updated to 2012. Serial number at the beginning of the year. 1976 80000SA. 1977 82000SA. 1978 90500SA - 99999SA - SA01001. 1979 SA13000. 1980 SA30250.1976 — D72251-D99999. 1976 — N01001-N01800. 1977 — N01801-N15674. 1978 — R13901. 1979 — S65863. It's a shade incomplete, because the Diamondback was manufactured until 1986. Naturally, it would be safe to assume that if your serial comes after the last in this list, yours is between 1979 and 1986. Feb 9, 2011. #2. ….

The gun is an interesting example as the serial number matches the caliber. Colt Model N Serial Number 400000. One of a two gun shipment to W.H. Hoegee Co, Los Angeles, CA, June 15, 1936. Colt 1908 Vest Pocket .25 ACP serial number 430467 - factory nickel finish, aftermarket mother of pearl grips. Gun is unusual in that it the serial number is ...The serial numbers for Bobcat equipment is placed in several different locations on different types of machines, according to Bobcat. The Operation and Maintenance manual for each ...Aug 8, 2023 · The Colt AR-15 serial number contains vital information regarding the manufacture date, location and model of your rifle. By decoding the serial number, you can identify when your rifle was made and if it is an authentic Colt firearm. The first two letters represent the month and year of production respectively, while subsequent digits indicate ... The highest NF current production serial# I've observed is NF211xx. If correct, Colt has manufactured less than 1,200 New Frontier revolvers since reintroduced in 2011. These are high quality fit/finish with removable full …According to the Biggerhammer site the model with the detachable carry handle Match Target Competition HBAR model MT6700 and MT6700C should have a serial number prefix letters of CCH. What you said you saw have mixed model name and serial prefix of Match Target Match HBAR (fixed carry handle) and the serial prefix CCH of the other model Match ...With those services, I provide extensive pertinent information, as well as accurate serial number information (when I personally inspect a handgun. Please contact me for more information. Charles W. Clawson does provide shipping and procurement information for the M1911, M1911A1, M1917 revolvers and commercial Colt Government Model pistol ...Dec 17, 2020 · Note that Colt used different ranges for the Police Positive .32 and Police Positive .32 Target, the Police Positive .22 Target, and the Police Positive .38. Depending on the exact model you could find a number of Colt small frame revolvers with the same serial number. thecoltguy. In some exceptional cases, a more detailed, accurate determination can be made by calling the Winchester Repeating Arms Historian at the Morgan, Utah office. 801-333-3288. Ask for the Winchester Repeating Arms Historian. For any other questions: 800.333.3288 or 801.876.2711. For Parts and Service call: 800.322.4626. Dates of Production by Model and Serial Number for ... Year: Serial Number Range: Manufacturer: Number Produced: 1912: 1-500: Colt: 500 : 501-1000: Colt USN: 500 : The Colt Government Model 1911 is referred to by many as "the world's greatest handgun". Colt introduced this model in 1970 as a newer version of the Model 1911A1. The major changes were a slightly heavier slide … Colt year by serial number, Colt Website Serial Number Manufacture Date Lookup. Just wanted to share should be a significantly more complete database for Colt manufacture dates, by serial number, on the Colt website. It can be used at the link below., Colt Python owners can identify the general date of their weapon’s manufacture by checking for certain characteristics, such as the serial number sequencing and gun finish. The earliest gun models were handmade and many have no letters in the serial number. The Colt Python was first introduced in 1955; models dated from 1955 …, Jun 4, 2020 · 1927 . 331000-333000 . . . 1928 . 333001-373000 . These are the ranges given online for both 1927 and 1928. An outlier running outside of the given range doesn't seem that odd, but the one in question (349244) is halfway through the range for 1928, which is what struck me as strange. , It re-appeared in 1967 as part of R.Q. Sutherland’s collection and then in books by his co-author, Colt consultant R.L. Wilson. By the early 1980s, the gun was in the Tennessee collection of ..., Dec 28, 2017 · The Colt 1st Generation SAA Serial Number List provides information on Colt revolvers owned by famous lawmen, notorious outlaws, legendary cavalry regiments, historic mining and express companies, and other noteworthy people. To get a free copy, send an email to: [email protected]. Rusty Edwards. KheSanh1911 and Sparebux. Like. , 24,886. Determining the year a Colt firearm was manufactured is not possible by knowing only the serial number. Colt has manufactured literally millions of firearms. Generally, Colt assigns a separate serial number sequence to each of its models. Sometimes the sequence for a specific model starts at the number “1″ and sometimes at a higher ..., There's nothing wrong with being a serial monogamist, per se. But sometimes, hopping from relationship to relationship might be a sign of emotional difficulties or even a mental he..., Looking at Colt Gold Cup NM Series 70 .45ACP. What I have found curious so far is the serial number doesn't start with the 70NXXXXX that I have seen through the years. This particular Gold Cup NM Series 70 has XXXXXN70. In other words, the one's I have seen of the Series 70 had the 70 followed by the letter N, then the five numerals., To find the serial number of a car part, sometimes you can open the hood and look at the parts, but often you need to seek out the help of an auto dealer. You need the vehicle make..., Thanks to technology, you can now look up a Colt serial number on the internet. Simply go to Colt’s homepage and hover your mouse to the Customer Services tab. Click on Serial Number Lookup and then enter the serial number seen on your Colt., February 17, 2024 by William Taylor. When was my Colt revolver made? Many Colt revolvers can be dated by the serial number, which is usually located on the frame or the butt of the gun. By referencing the serial number against Colt’s manufacturing records, you can determine the year of production for your Colt revolver., Silver bars range in weight from 5 grains up to 100 troy ounces. Manufacturers identify their bars with a logo, serial number, hallmark or pattern in addition to the weight and ind..., No matter the brand or size of your piano, it has been assigned a serial number. Some companies or models may have the number in different places but each one should have identifyi..., Aug 24, 2008 · Welcome to the forum. The proofhouse online listing referenced by addicted will date it to year (up to 1978) based on the serial number. Select the model from the left side list. The charts show the starting serial number for each year. If you want the actual ship date, only a Colt historical letter will tell and they must be purchased. , AR15_1911. 1524 posts · Joined 2013. #10 · Jul 23, 2020. That's good to know you, if I ever have Winchester collectors questions I will contact you. I'm just a long time Colt AR owner since my first new AR-15 Sporter SP1 way back in 1971, then I got a few in the 1980s, 1990s, and then after the semi auto ban up to now., The Colt serial number format is generally a six-digit number, with the first three digits representing the year of manufacture, and the last three digits representing the model of firearm. For example, a serial number for a firearm manufactured in 2017 would be 070117. , Most commonly: The lower receiver. The upper receiver. Behind the charging handle on the bolt carrier group. Establishing Production Date By Serial Number. If you …, 10 posts · Joined 2022. #1 · Nov 2, 2022. Colt Model P. Single Action Army, 45 Cal, serial number 4710. Notes from my Father-in-law: part of the original issue of 1,000 (Lot #5) to the U.S. Cavalry. Purchased in 1948 by my Father in Law from a dealer in New England for $80.00. When purchased, it had the current finish and white plastic grips., The NFL playoff games today are: Colts vs Chiefs and Cowboys vs Rams. Here's how to watch the NFL playoffs on TV (or live stream) for free. By clicking "TRY IT", I agree to receive..., AR15_1911. 1519 posts · Joined 2013. #3 · Jun 2, 2014. Your SP1 rifle was made in 1982, in that year the serial numbers made were from around SP140XXX up to SP173XXX. You could also go to the Colt Commercial site, then go to Customer Services tab, then click on serial number lookup, their data base are not complete so sometimes there are no ..., Marshal Model serial numbers are in the 833352 - 845317 range and have an "M" suffix, 2500 or less were manufactured from 1954-1956. Colt Official Police 22LR Ship Dates Year, Locate the serial number plate on your machine, typically located on the outer frame. Find the Product Identification Number (PIN) which could be 8 or 17 characters depending on when your machine was built. Models built prior to 2002 are 8 characters and newer models are 17 characters. If the PIN is 8 characters – that is your serial number., Dates of Production by Model and Serial Number for ... Year: Serial Number Range: Manufacturer: Number Produced: 1912: 1-500: Colt: 500 : 501-1000: Colt USN: 500 :, Year / Serial Number. 1838 - 1840 1-850 . Holster or Texas Paterson No.5. Year /Serial Number. 1838 - 1840 1-1000 . Ehlers Pistols 4 th & 5 th Model. 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 ..., What if my Colt AR-15 doesn’t have a serial number? All Colt AR-15s should have a serial number for identification and tracking purposes. Is the year of manufacture important for Colt AR-15 owners? Knowing the year of manufacture can be important for collectors or for determining the value of a particular model., There are a lot of ways for you to lookup serial numbers the firearms nowadays. In the case of Colt serial numbers, you have up to 3 available choices to choose from depending on your preference: Serial number lookup Letter of authenticity ; Manual search; Serial Number Lookup, The year/serial numbers under Colt SP series was forwarded to me by an individual whose return address I no longer have. Double asterisk (**) under Bushmaster, a person on the internet e-mailed me that he had a lower that was shipped stripped (thus not a complete rifle) in 1991 from Bushmaster with serial #0327XX – ALWAYS CALL TO VERIFY., The serial number can usually be found on the crane, which is the part that holds the cylinder in place. It is usually located on the inside of the crane. 2. Is the serial number always on the frame? Yes, most Colt .45 revolvers have the serial number engraved on the frame., Westfield, Indiana, home of the Indianapolos Colts, with its top-rated schools, and high median household income, is one of Money's Best Places to Live. By clicking "TRY IT", I agr..., Colt Handgun - Anaconda, 45 LC, 6 inch barrel, stainless steel, in correct blue Colt box with paper work, made 1990. Serial Number:MM52. Serial Number:MM52. During 1969 the Hi-Power pistol Serial Number code was changed to a two digit year and 'C' prefix. Serial Numbers for “T” prefix Hi-Power pistols exceeded T300000 and were shipped …, The Evolvement of the Colt Serial Number: Using the Colt M1911. The M1911, or the A1 (1912), was a commercial version with regular Colt serial numbers comprising simple signs and symbols. These gun version serial numbers halted during the 1970s, continuing from the codes of the initial varieties. Meanwhile, every other gun has a 70 as the first ... , Finally, BATF has allowed some pre-ban damaged to be replaced with post-ban lowers with numbers outside the ranges given below while retaining the grandfathered status. They will send a letter documenting this and allowing the original manufacturer to proceed with the replacement. Colt ( 800) 962-COLT. Year. Serial Number Range. Pre Ban. Post Ban. , The Colt serial number format is generally a six-digit number, with the first three digits representing the year of manufacture, and the last three digits representing the model of firearm. For example, a serial number for a firearm manufactured in 2017 would be 070117.