Colt python serial numbers by year

Foreign Service Models: 1) Colt M1911 Canadian Contract: S/N C5400 to C16599 = Sept. to Nov., 1914 ( Only 5000 pistols in this serial number range were shipped to Canada.) Caliber .45 ACP. 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 ...

I have a Colt Python 6”, blued .357. ... I’d guesstimate Probably $7,000-$12,000 as you described, the higher range for a lower 3 digit serial number. About a year ago I saw a nice looking first year (1955) sell for over $20,000 at RIA. I will note a first year would be considered considerably more than a second year, all things being equal ...The Python shared the same serial number ranges as the Colt 357 Model and some Trooper versions and for a short time with the Officer's Model Match. ... (forgot about those) and the Officer's Model Match numbers overlapped with Python numbers from years later. The serial data base shows both the Trooper and 357 numbers …View our latest catalog to find what you might be searching for. Exceptional and Rare First Year Production Serial Number 105 Colt Python Double Action Revolver with Box1 of 299 manufactured in 1955. Standard markings and features. Comes with a Colt wood grain box for a 6 inch barrel, blued Python (the handwritten serial number is difficult to ...Need a Django & Python development company in France? Read reviews & compare projects by leading Python & Django development firms. Find a company today! Development Most Popular E...7471 posts · Joined 2006. #7 · Nov 19, 2013. A python made in 1974 or 1975 is out of the serial number range for a factory 8 in. gun in either caliber. Those 38 special 8 in. barrels only were available for awhile from discount distributors. Like.Feb 8, 2015 · The normal K serial numbers did not have a letter suffix and I would guess more that a dyslectic serial number stamper reversed the the 90 into a 09 when the serial number was added to the frame. And instead of throwing away an otherwise perfect gun, Colt added a suffixe letter to make the serial number unique and not also point back to an ...Revealing The Mystery: Top Methods. 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

The original poster revised his serial number to E10249. I went back to my reference book and the year of manufacture is 1970. That year began with number E6301 and ended with E21200. Python serial numbers with a letter prefix started in 1969. Prior to that the serial numbers were all numerical digits.COLT 1966 Python "Rare" COLT 1966 Python "Rare" SKU 258674. used excellent ... Make: Colt | Model: Python | Serial Number: 60796 | Year of Manufacture: 1966 Caliber: .38 Special and .357 Magnum ...THE COLT PYTHON I FRAME. In the history of modern double action American handguns, the Colt Python revolver stands above all others. It was born in the mid. colt python serial numbers. The Colt Python is a. 357 Magnum caliber revolver manufactured by Colt s Manufacturing Company of Hartford, Connecticut. The Colt Python is considered to be a ...You might want to purchase the The Colt Double Action Revolver: A Shop Manual, Vol 1, by jerry Kuknhausen to get a good idea of what is involved in rebarreling a Python and other older style Colt revolvers.Volume 2 covers the MkIII series and later models. I bought my copies from Brownells. These are very detailed manuals for the serious gunsmith, but are quite helpful in understanding what is ...The Colt Python was first introduced in 1955 as Colt's top-of-the-line model. The gun pictured here was made in 1962. Pythons produced from 1955 to 1969 have no letter in the serial number and are the most desirable to collectors. 83 virago 500 manual.The Pythons from the 1955-1963 era were all hand made and hand finished (prior to CNC machining and mass assembly line production).THE COLT PYTHON I FRAME. In the history of modern double action American handguns, the Colt Python revolver stands above all others. It was born in the mid. colt python serial numbers. The Colt Python is a. 357 Magnum caliber revolver manufactured by Colt s Manufacturing Company of Hartford, Connecticut. The Colt Python is considered to be a ...When Wilson and Sutherland published The Book of Colt Firearms in 1971, it included serial number charts to 1970 derived from Colt records made available to Wilson. These were apparently transcribed and made available on line through proofhouse.com. At some time they were apparently extended to 1978.

If you want a list of the serial number production dates up to 1985, go to 1965 Colt Python And Pythons were produced after that time frame. If needed, can try to run serial numbers against the Colt site Colt Firearm Serial Number Lookup - Year of Manufacture or call Colt Customer Service 800-962-COLT (2658) * Mon-Fri 9am to 5pm …After that period the two gunsmiths burned out and Pythons were moved to standard production, albeit with higher standards then normal production models. The serial number will stamped on the frame, opposite on the crane, and inside the sideplate. The first production of the Python started in 1955 at serial #1. 1956 started at serial number 300.The Colt Custom Shop is currently accepting custom 1911 and SAA orders. Colt Custom Shop 1911 Order Form. Colt Custom Shop SAA Order Form. Please contact Customer Service at 800-962-2658 for a RMA number and include the appropriate form (1911 or SAA) with your shipment. Colt will perform work on 1911 pistols that were manufactured by Colt only ...Excellent First Year Production Three Digit Serial Number 170 Colt Python Double Action Revolver with Factory LetterManufactured in early 1955, this is one of only 300 Colt Python revolvers manufactured in the first year of production. These revolvers have come to symbolize the pinnacle of Colt's masterfully crafted and tuned revolvers as well as being the last in a long line of truly hand ...

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Reply | Edit | Del All Colt Diamondback-----I just purchased a Colt Diamondback 38 cal.6" Barrel with nickel finish.The serial number is S74493.Can someone tell me the date of mfg?The book I have stops at 1978 and it is not in it. The pistol is NIB with all the papers.Thanks in advance Benny mckheean V.I.P. Member Posts: 83 (12/18/02 8:14:25 am)Colt Forum Discussions. Colt Revolvers Python Serial Numbers ... Does anyone know where I can find the year of manufacture for a Python with a serial number starting with a 'V'? Save Share. Like. Sort by Oldest first ... The serial number prefix V started in 1978 and ran through 1980.Colt Revolvers python serial numbers. 1595 ... Discussion Starter · Mar 9, 2008. Add to quote; Share Only show this user. I have my eye on a python, but the serial number has a small m before 77924. The owner says it is a 1968. The numbers match that year, but a small m that is different sizing m77924 precedes it and doesn't come up on any of ...Need a Django & Python development company in Houston? Read reviews & compare projects by leading Python & Django development firms. Find a company today! Development Most Popular ...

The earliest serial number was PY0010XX from a January 2020 must have been a 6" barrel. The earliest 3" Python serial number is from 1/1/2022 (post) - 3" Radical Rod - PY203626 & 627 from Custom Shop - First Consecutive Pair Made - Cut Down 6" Barrel - Produced 2021, but these are from the Custom Shop and not Regular Production.SOLD FOR: $8,925. Rare Colt USA American Bicentennial Set Dragoon SAA Python & Case, 1976 ATF C&R. Make:Colt Model:US Bicentennial 3 gun Set: Colt Dragoon, Single Action Army, Python Serial Numbers:Dragoon: 0863DG, Single Action Army: 0863PM, Python: 0863PY Year of Manufacture:1976, ATF C&R (the Dragoon is ATF ANTIQUE) Caliber:Dragoon: .44 PercussionSingle Action Army: .45 ColtPython: .357 ...Understanding these elements will help you get a more accurate estimate of your firearm’s worth. The average price for a Colt Python can range anywhere from $2,000 to $8,000 or more, with higher-end models and special editions fetching even larger sums. The price range varies on the gun’s overall condition.The Smith & Wesson Victory model was so named for the "V" prefix which was placed before the serial number and represented "Victory" against the Axis powers in World War II. Serial numbers for the .38 special Victory model began at about V1 in early 1942 and ran until VS811119 with a date of late August of 1945 (end of production).Year of DOM Begin Serial Number End Serial Number Yearly Prod. Totals; 1955: 1: 299: 299: 1956: 300: 1649: 1,350: 1957: 1650: 5549: 3,900: 1958: 5550: 7049: 1,500: 1959: …Python serial numbers started in 1955 at serial number 1, with the number-only serial numbers ending in 1969 at 99999. In 1961 the 3-5-7 was discontinued, in 1969 the Trooper was discontinued, and the Python began using letters as part of the serial number.9266 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 ...Colt Revolvers Python Serial # ??? 681 ... Share Only show this user. I have a Nickel Python and the serial No. is 420xx and under the serial No. there is a letter "B" Does anyone have any idea on this one? The serial No. shows it as 65 - 66 year of manufacture Any help would be appreciated, Thanks,

Colt python with a serial number with just 6 digits and no letters . Save Share. Like. ... Python serial numbers started in 1955 at serial number 1, with the number-only serial numbers ending in 1969 at 99999. ... NRA Life member. 31 year LEO. Survivor of 4 Cancers: Stage IV Peripheral T-Cell Lymphoma - Unspecified subtype, Stage IV ...

For programmers, this is a blockbuster announcement in the world of data science. Hadley Wickham is the most important developer for the programming language R. Wes McKinney is amo...Also, at some point Colt added a letter to the serial number. If your gun has that, you need to include it in the database search to find the correct year. The grips are correct for a 1959 though, so my best guess is that it's a modified 1959 model. ... For years the Colt Python was an "in" revolver with the Chicago police department.Towards the end of the MM serial numbers and later part of Anaconda production, Colt moved to the Drilled and Tapped frames. If you have a Drilled and Tapped Anaconda, it is a later production gun. Even the Blue Book on Colt Serial Numbers shows a lack of definition in the '92-'96 time frame. Best option is to look at the frame and serial ...Looking at several new Pythons for sale I see most serial numbers start with "PY". A few others I have seen start with "RA". Can anyone explain what the difference might be? ... Colt Revolvers Gun Collector Lounge Colt Semiauto Pistols Colt Single Action Army Python. Top Contributors this Month View All F. FL Moore 307 Replies. Todd 258 Replies ...Python has become one of the most popular programming languages in recent years. Whether you are a beginner or an experienced developer, there are numerous online courses available...Jul 6, 2017 · 18152 posts · Joined 2001. #9 · Aug 5, 2017. Right from the beginning in 1836 Colt stamped serial numbers on their guns. One reason was Colt quickly became THE supplier of pistols and other arms to the US military and they demanded serial numbers. In the 1890's American law enforcement began issuing guns to police and they also needed a way ...Colt, S&W and others can be off be 2-10 years and even more in rare cases. Why? 1. Batch, not continuous, manufacturing. 2. Multiple models with different demand curves in the same serial number range. 3. Setting aside blocks of numbers for big distributors, military contracts or the like. 4.Hi, I have a 6" Colt Python, in Nickel, with Serial number 860960E. I bought it years ago and it is new in the box. Ive just taken it out to show some friends, on occasion, what a fine pistol looks lik. Well, I'm getting older and wanted to get an Idea what it might be worth if I would decide to sell it and what would be the best venue to ...Colt Python serial number question. Jump to Latest Follow 2K views 1 reply 2 participants last post by GUNKWAZY May 25, 2010. M. mikoyan21 Discussion starter 41 posts · Joined 2010 Add to quote; Only show this user #1 · May 25, 2010 (Edited) I recently purchased a used 6 inch blue Python complete with the original box and documentation, it ...

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Python Model : Year: Serial Number: 1955: 1: 1956: 300: 1957: 1650: 1958: 5550: 1959: 7050: 1960: 9100: 1961: 13100: 1962: 18800: 1963: 24800: 1964: 30800: 1965 ...S. sheldonK Discussion starter. 1 post · Joined 2022. #1 · Apr 12, 2022. my python has a four number serial #. It is a brand new 6" blue steel new in the box. I believe it was born in 1957 sometime. Anyone have a clue (ball park OK) what it night be worth?Python's Diamondback's "The strongest reason for people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government." ... 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 year made. Thanks in ...Mar 12, 2021 · After that period the two gunsmiths burned out and Pythons were moved to standard production, albeit with higher standards then normal production models. The serial number will stamped on the frame, opposite on the crane, and inside the sideplate. The first production of the Python started in 1955 at serial #1. 1956 started at serial number 300.18152 posts · Joined 2001. #9 · Aug 5, 2017. Right from the beginning in 1836 Colt stamped serial numbers on their guns. One reason was Colt quickly became THE supplier of pistols and other arms to the US military and they demanded serial numbers. In the 1890's American law enforcement began issuing guns to police and they also …Documented first year 1955 production, Colt Python serial number 69 achieved $34,500 in Rock Island Auction Company’s December 2021 Premier Firearms Auction. ... An excellent second year 1956 production …This '62 Colt Python is a Favorite! The Colt Python was first introduced in 1955 as Colt's top-of-the-line model. The gun pictured here was made in 1962. Pythons produced from 1955 to 1969 have no letter in the serial number and are the most desirable to collectors. The Pythons from the 1955-1963 era were all hand made and hand finished (prior ...GK, in your first post you said: "What they ( Colt ) will tell you over the phone if you call is the production date. Not the shipping date. If you pay for an archive letter, the letter will show the shipping date and NOT the MFG date." I do not think the production date of a specific gun is known, and surely would not be given "for free" over ...Colt Revolvers early Python serial number. 708 Views 1 Reply 2 ... Only show this user. Hi All, I am new to the forum and in need of some information on a Python serial number. Can anyone ID what year a gun with serial #282XX might have been manufactured? Thanks in advance, UD. Reply. Save. Like.Oct 26, 2014 · Or, call Colt Customer Service if the following link does not return a year of manufacture. Colt Firearm Serial Number Lookup - Year of Manufacture. Python’s. Diamondback’s. "The strongest reason for people to retain the right to keep and bear arms is, as a last resort, to protect themselves against tyranny in government." ….

From 1955 until 1969 Python serial numbers had no letter prefix or suffix, and these are the most sought after by collectors. In 1983 the revolver was offered in stainless steel—both matte and ...SERVICE. PLEASE NOTE: Do not attempt to return any Colt product without first contacting our customer service department for an RMA number. Colt cannot service legacy models older than 10 years, with the exception of most 1911 models and third generation Single Action Army (and New Frontier) models. CUSTOMER SERVICE. Toll Free: 800-962-COLT ...The Python was introduced in 1955 with serial number 1. 1956 started with serial number 300. 1957 started at serial number 1650. Pythons didn't start to get letters as part of the serial number until 1969, and the progression didn't get to the PY series until sometime in the mid to later 1990's. Assuming you mis-typed the date and it's 1996 not ...Nope. Adds NOTHING to the value, as far as I am concerned. Depending on the firearm, a low number might add value, or it might add value simply because it was an important variation (e.g., the earliest single action army revolvers are the rare pinched frame variety).Maybe if identical firearms were offered for sale at the same price, I might pick the one with serial number 1234 over the one ...Jan 7, 2013 · If you want a list of the serial number production dates up to 1985, go to 1965 Colt Python And Pythons were produced after that time frame. If needed, can try to run serial numbers against the Colt site Colt Firearm Serial Number Lookup - Year of Manufacture or call Colt Customer Service 800-962-COLT (2658) * Mon-Fri 9am to 5pm EST.Feb 20, 2006 · I called them yesterday about my python 6" stainless PNxxxx and it from the year 1994. This is my first revolver and in avery good condition, cost me about 500$. [/ QUOTE ] Couldn't help but notice your location is Israel. What are the gun laws there?? If you gave 500 dollars us for a python, it sounds like you got quite a deal!Firearms, handguns, pistols, rifles, revolvers. Serial Number Lookup Instantly retrieve vital product details, warranty information, and exclusive insights through our Serial Number Look-Up feature.Chambered in .357 Magnum. This example is from 1980, the first year of 8-inch blued Python production. Adjustable rear sight. Checkered wood grips with Colt medallions. Excellent condition. Listing includes factory letter, instruction manual, and a Colt box. Call 585-657-6338 to purchase. Colt python serial numbers by year, SOLD FOR: $8,925. Rare Colt USA American Bicentennial Set Dragoon SAA Python & Case, 1976 ATF C&R. Make:Colt Model:US Bicentennial 3 gun Set: Colt Dragoon, Single Action Army, Python Serial Numbers:Dragoon: 0863DG, Single Action Army: 0863PM, Python: 0863PY Year of Manufacture:1976, ATF C&R (the Dragoon is ATF ANTIQUE) Caliber:Dragoon: .44 PercussionSingle Action Army: .45 ColtPython: .357 ..., Cylinder won't open on mine. I was given a brand new 4.25" Python for my birthday. A wonderful gift, but unfortunately already needs to go back without even being fired. Serial number range is PY2052XX. QR sticker that was on the trigger guard states that it was manufactured March 29th 2021., Colt Python serial number ranges from 1955 to 1985: The sudden increase in production in 1964 indicates that the CNC machining process may have been introduced in the mid-60's. Perhaps a reader out there that has first-hand knowledge will let me know and I can post that info here. Year: Serial Numbers: Production: 1955 1 - 299 299, The flat under the crane and the crane are marked with the serial number. The left sideplate is marked with a "Rampant Colt" logo. The ultimate 'snake gun' from Colt: the Python in.357 Magnum. This one is in nickel, with a 6 inch barrel. Serial number dates to 1980-81., Understanding these elements will help you get a more accurate estimate of your firearm's worth. The average price for a Colt Python can range anywhere from $2,000 to $8,000 or more, with higher-end models and special editions fetching even larger sums. The price range varies on the gun's overall condition., Do not attempt to return any Colt product without first contacting our Customer Service department for an RMA number. CUSTOMER SERVICE Tel: 800-962-COLT (2658), AR15_1911. 1528 posts · Joined 2013. #7 · Apr 10, 2020 (Edited) One way to get the manufacturing date is to go to the Colt site, customer service and click on the serial number lookup, enter the prefix and 6 digit numbers. If no data found, if you still have the factory large plastic bag that wrapped the carbine, look for the date there., Colt Revolvers early Python serial number. 708 Views 1 Reply 2 ... Only show this user. Hi All, I am new to the forum and in need of some information on a Python serial number. Can anyone ID what year a gun with serial #282XX might have been manufactured? Thanks in advance, UD. Reply. Save. Like., This rare 1956 Colt catalog marked the first time the Second Generation Single Action Army was introduced, shown here with a first year production 7 ½" barrel .38 Spl. with original box, and a ..., Serial Number. None of the .22 single action Colt revolvers (Scouts, Buntline Scouts, Peacemaker .22 or New Frontier .22) had serial numbers beginning with "C". I expect that yours is actually a "G" that is lightly stamped. Look at it with a magnifiying glass under strong light. G18XXX would have been produced in 1971., Year: Serial Numbers: Production: 1955 1 - 299 299 1956 300 - 1649 1,350 1957 1650 - 5549 3,900 1958 5550 - 7049 1,500 ... According to the Colt Python Serial Number Table above, production of the Python peaked in 1981 (the highest production year). However, 1978 is a "question mark" due to missing information surrounding guns …, If it has a letter, mine is stamped F and VP, then it is the updated version from the factory where the side plate issue, light strike issue and cylinder locking up issue have been resolved. 4. Reply. CMXCII88. • 1 yr. ago. Mine is PY2215XX and went back to Colt for a couple weeks for side plate and bolt spring issues. 1., The predicament is that the serial number doesn't seem to match up to the charts online or Colt's lookup feature. S/N is K42***. ... 2022 SST Colt Python 6", Heffron Precision Tuned Action, w/ custom Hogue grips, ... Serial number indicates year 1981. Beautiful 😎, Are you curious about the history or authenticity of a product? Do you want to ensure that the item you’re purchasing is genuine and not counterfeit? If so, then a serial number lo..., Python Trooper Trooper Model & .357 Model. 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), 18152 posts · Joined 2001. #9 · Aug 5, 2017. Right from the beginning in 1836 Colt stamped serial numbers on their guns. One reason was Colt quickly became THE supplier of pistols and other arms to the US military and they demanded serial numbers. In the 1890's American law enforcement began issuing guns to police and they also …, Python Model : Year: Serial Number: 1955: 1: 1956: 300: 1957: 1650: 1958: 5550: 1959: 7050: 1960: 9100: 1961: 13100: 1962: 18800: 1963: 24800: 1964: 30800: 1965 ..., Excellent First Year Production Three Digit Serial Number 170 Colt Python Double Action Revolver with Factory LetterManufactured in early 1955, this is one of only 300 Colt Python revolvers manufactured in the first year of production. These revolvers have come to symbolize the pinnacle of Colt's masterfully crafted and tuned revolvers as well as being the last in a long line of truly hand ..., GunBroker has consistently listed the Colt Python as the most popular, highest selling revolver for 3 years running (and counting). By any measure the 2020 Colt Python has been among the top selling firearm for all general categories (handgun, rifle, shotgun) since it's reintroduction., New Production Python Serial Numbers. Hi all - just picked up my new Python today and was curious about the serial number. All I have seen in recent posts/photos, and around the internet, are serials “ PY0XXXXX ”. Mine, however, is “ PY2XXXXX ”. To top it off, my brother in law just got his today, too, and his is a “ PY0 ”., JimH Discussion starter. 33 posts · Joined 2011. #1 · Mar 5, 2016. Can anyone tell me the first year that Colt made the Python in a 2 1/2 inch barrel. I saw one today with a serial number from 1962. I thought it was 1965 before Colt made the in the snub barrel. Like., I place the birth year of my Python as '21 because of the high serial number, but is there a better database that has accurate DOM 's for the new Pythons? Thanks in advance. ... My Colt Competition Series Model 70, 1911 45, QR Scan Code. I xx two ending serial numbers., Prices accurate at time of writing. $2,000 at Guns.com. Today Pythons can sell for upwards of $4,000 depending on the model and condition; ever so often someone scores one for $1500 but it's becoming increasingly rare. That's a bit incredible considering the guns originally sold for $125.00., Colt also produced a number of factory commemorative models of the Python. Most of these Commemorative or Special Edition guns had special serial numbers. The Bicentennial Set. 1976. 1777 made. This was a set composed of a Single Action Army, a black powder Colt Third Model Dragoon, and a Python., The Colt Python is a double-action revolver chambered in .357 Magnum. Pythons were originally chambered in .38 Special, but shortly thereafter changed to the .357 Magnum, which it is associated with today. Though there are several variants of the Colt Python, perhaps the biggest difference is in the length of the barrel., Firearms, handguns, pistols, rifles, revolvers. Serial Number Lookup Instantly retrieve vital product details, warranty information, and exclusive insights through our Serial Number Look-Up feature., From 2014-2018, I was the Firearms Specialist for the NRA Museums. This was filmed while I worked in that capacity.From the NRA National Firearms Museum in Fairfax, Virginia, Firearms Specialist Logan Metesh examines Colt Python revolvers, serial numbers 2, 3, and 5. Originally aired on Cam & Co 05/15/15.Later on, I had the opportunity to visit the Colt factory and examine some of the original ..., Colt Forum Discussions. Colt Revolvers Python Serial Numbers ... Does anyone know where I can find the year of manufacture for a Python with a serial number starting with a 'V'? Save Share. Like. Sort by Oldest first ... The serial number prefix V started in 1978 and ran through 1980., 9266 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 ..., You might want to purchase the The Colt Double Action Revolver: A Shop Manual, Vol 1, by jerry Kuknhausen to get a good idea of what is involved in rebarreling a Python and other older style Colt revolvers.Volume 2 covers the MkIII series and later models. I bought my copies from Brownells. These are very detailed manuals for the serious gunsmith, but are quite helpful in understanding what is ..., Year Made ( Python) Jump to Latest Follow 1K views 4 replies 4 participants last post by Superman21 Dec 5, 2014, 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 ..., 256 posts · Joined 2020. #3 · Dec 18, 2022. Typically, RA is for the Cobra and King Cobra line, PY is for the Python line, and AC is for the Anaconda line. Manufacturers decide what serial numbers they want, then they must be pre-approved by the ATF. Colt had a number of Pythons that were needing numbers and the ATF didn't get things approved ...