Colt ar-15 serial numbers

Aug 16, 2007 · The same reference says that for Colt AR-15 Sporter I rifles with S/Ns between. SP02501 and SP00101 were manufactured in 1965. The examples shown, clearly show the "SP" prefix however and not MH, so I don't think this date applies to your situation. There are others who post regularly who obviously have access to much more info than I who can ...

Colt ar-15 serial numbers. Colt AR-15 Serial Number List . Colt AR-15 Sporter SP1 rifle owner since 1971 Colt 1911 Government Model Series 80 .45 pistol owner since 1984 Colt M4 Carbine owner since 2011 NRA Life Member since 1973. Reactions: inspcalahan. Save Share.

I'm interested in buying a Colt Ar15-A3 Tactical Carbine model# 6721. The serial number in that list are explained as follows: BD AR15A3 Tactical Carbine 6721. BD000134 and Below (AR-15A3 Tactical Carbine - very rare model) The one I'm looking at buying has a serial number in the B001XXX range. I haven't had much luck contacting colt yet about ...

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 …If you are seeking a manufacture date for a Colt firearm, we suggest Colt's serial number database HERE. 1295 Blue Hills Avenue, Bloomfield, Connecticut 06002, United States. 860-554-8088. Hours. Mon 08:00 am - 05:00 pm Tue 08:00 am - 05:00 pm Wed 08:00 am - 05:00 pm Thu 08:00 am - 05:00 pm Fri 08:00 am - 05:00 pm Sat Closed Sun ClosedUse search function with '6520' or 'Colt 6520' and will find a plethora of info. Production numbers, you will likely not find. I agree, your carbine is a model AR6520 AR-15A2 Gov't Carbine law enforcement series, not a LE6920. The 6920 have a grenade launcher notch on the barrel in front of the front sight and it says "Colt's Law Enforcement ...The serial number is usually located on the lower receiver, near the magazine well. 2. Is the serial number the same for all AR-15 rifles? No, each AR-15 rifle has a unique serial number. 3. Can the serial number be found in other parts of the rifle? No, the serial number is typically only located on the lower receiver.The first 6940's on GB had LE047000 serial numbers. My 6940 is in the LE054800 range. At the same time I saw large pin 6920's being sold in the LE055000 range. And to make it more complicated 6921 / 6933 model uses the same block of numbers. I thought your S/N range was in the low 500s.

Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.22 (100%) I'd say it's a zero, but only because the serial number stamp is a little above the 'LE' stamp, and the character in question is clearly a part of the serial number. If it were a letter, I think it would be a part of the 'LE' stamp. J. Last edited by DaBears_85; 05-27-11 at 21:50 .There are two distinct mil-spec pistol grips used on AR-15 & M16 series rifles; the first one, used with the original AR-15 and all variants through the M16A1, is relatively smooth and has light checkering on the sides as well as a hole in the bottom-front of the grip that acts as a sling swivel mounting point (though was rarely if ever used in ...The same reference says that for Colt AR-15 Sporter I rifles with S/Ns between SP02501 and SP00101 were manufactured in 1965. The examples shown, clearly show the "SP" prefix however and not MH, so I don't think this date applies to your situation. ... Serial numbers picks up were the SP1 left off, produced 1985-1990. Features are as such: CM ...For this Model 601 build, original Colt AR-15 upper and lower receivers ... the front of the receiver is used on early Sporter models up to the AR-15A2 Sporter II. ... machine gun features an X marked serial number, added L. ArmaLite AR-15 ... 1. colt sporter match hbar serial numbers 2. colt sporter lightweight serial numbers sl 3. colt ...If you live in California, you need to have a unique serial number for your 80% lower or homemade gun. In California, you need to submit a notarized PFEC (background check) application by mail with a $20 payment. In California, you need to also submit a digital USNA application and pay a $15 fee via debit or credit card.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. Note: If your rifle is not a Colt, it ...

The era (somewhere between early 1967-1970) from which this M16A1 Reissue is supposed to be based on would have had a MP on the right side underneath the FSB or on upside down MP on the left side if it was an H&R barrel. Starting in October 1967 and prior to serial number 800,000 Colt's added chrome to the chamber.The Colt AR-15A2 Sporter II rifles was made from 1984 to around 1989 and should have small mil-spec size 0.154" hammer and trigger pins. ... Colt AR-15 Sporter SP1 rifle owner since 1971 Colt 1911 Government Model Series 80 .45 pistol owner since 1984 ... Serial numbers SP360200 and below are pre-ban.COLT AR-15 PROPERTY OF US GOVT. M 16 CAL. 5.56 MM. SERIAL XXXXX davev. Joined Oct 2007; Posts 17; EE 0% (0) NV, USA. Posted: 12/16/2009 5:31:45 PM EDT ... Colt did not issue serial numbers sequentially, so it is difficult to date it with precision. But one known date is for SN 9547422, which shipped from the Colt factory on November 17, 1981. ...iOS: Finding time to read is hard, but if you fancy yourself a fan of classic literature, from the likes of Jane Austen, Jules Verne, or Charles Dickens, then Serial Reader’s a cle...

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Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. ... the next time they used the SP prefix was like on my SP6920 marked "Sporter M4 Carbine" made in early 2011 with serial number SP500XXX. I'm not sure if Colt have records of the SPII from 1982 up to 1989 but try to call Colt ...The official Colt Factory records show that the first AR-15 "Comanche" rifles had serial numbers that ran from SP00001 to SP55301. These early rifles were made from 1963 to 1976. Colt considers a number like SP00010 to be a double digit serial number, "IF" you disregard the zeros. In this case you could call it serial number SP10, but the ..."Colt's completed its first-ever run of 300 "model 01" AR-15 rifles, serial nos. 000101 to 000400, in December of 1959. Already Bobby McDonald was doing his part: in his later Ichord testimony he reported that "...the first [Colt AR-15] rifles that were ever sold were sold to Malaya, 25 rifles, and they were shipped under State Department ...M. Malicious Compliance Discussion starter. 17689 posts · Joined 2013. #1 · Feb 15, 2014. Colt has recently added a great feature, allowing you to look up your Colt firearm by entering the serial number. One can only hope SIG follows suit! Colt Firearm Serial Number Lookup - Year of Manufacture.

Introduction to Colt Serial Number Lookup. Colt Serial Number Lookup provides crucial information about firearms manufactured by Colt's Manufacturing LLC through their unique serial numbers.. Established in 1855, Colt's Manufacturing LLC has been a prominent figure in the firearms industry, known for its innovative designs and high-quality firearms. . The serial numbers assigned to each ...AR-15 » Rifles, Uppers, Lowers, Barrels, and more. AR Sponsor: Site Notices BFL Rollypoly Pre-Oder Is Live! ... Colt serial number lookup. ARCHIVED; Posted: 2/4/2013 7:46:02 PM EDT Hey guys, is there any way for me to verify a Colt serial number? I found a link to the Colt website, but I've tried several Colt LE serial numbers and none came upA COLT AR 15 SP 1 rifle is currently worth an average price of $2,063.00 used . The 12 month average price is $2,032.14 used. The used value of a COLT AR 15 SP 1 rifle has risen $47.47 dollars over the past 12 months to a price of $2,063.00 . The demand of new COLT AR 15 SP 1 rifle's has fallen 3 units over the past 12 months.question about a colt Ar-15 A2 govt. carbine. I have a colt AR-15 that I called and checked the serial number and found out the year is 2003. It is marked with the restricted military/government/ law enforcement only on one side and has AR-15 A2 Gov't carbine cal. 223 with a LGC 029xxx serial number. It also has colt defense, Hartford …Colt list of serial numbers... Newbie to this but how does one figure out when his rifle was manufactured if it is possible. ... Colt AR-15 Serial Number List. Information. Warning: This is a relatively older thread This discussion is older than 360 days. Some information contained in it may no longer be current. Top Register To Reply. 03-06 ...Jun 2, 2023 · R. Medina on October 31, 2020: ttn intnl model 1878 s/n 4751. michael v ventimiglia on October 30, 2020: new england firearms ( N G 001039 ) model r22 ultra mini. Volunteer arms co. on October 29, 2020: 16 gauge serial number is 90524xe what would it be worth and how old is it. Joseph Farrell on October 27, 2020: Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.The numbers following it are the cage code for Colt. A normal sticker version of the data matrix usually scans as follows: [)> 06 17V1C5Q6 1P844830 S4004253. meaning, 17V is the cage code entity. 1P is the part number, S is the serial number.Identification of Colt M4 model. Stopped by a local big box gun store and came across a used Colt M4. The lower is marked M4 with an LE prefix on the serial number, and it has the QR-code looking mark. The barrel itself is stamped "C," though the bolt carrier is not and the bolt just has "MP.". What has thrown me off, though, is the ...What is a COLT AR 15 SP 1 Rifle Worth? A COLT AR 15 SP 1 rifle is currently worth an average price of $2,063.00 used . The 12 month average price is $2,032.14 used. The used value of a COLT AR 15 SP 1 rifle has risen $47.47 dollars over the past 12 months to a price of $2,063.00 . The demand of new COLT AR 15 SP 1 rifle's has fallen 3 units ...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...

Colt AR-15 Sporter SP1 rifle owner since 1971 Colt 1911 Government Model Series 80 .45 pistol owner since 1984 Colt M4 Carbine owner since 2011 ... It’s a 1982 Mfg made I looked up serial number in my “Colt An American Legend” book by RL. Wilson. Cuz it started at 164001 in 1982 started 192401 in 1983 . Reactions: jrmyleo.

Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.The book progresses chronologically and features hundreds of images, as well as two quick-reference sections for easy confirmation of major components. Suggested retail is set for $36, plus ...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.If you know where to look, identifying your Colt AR 15's production year by its serial number is actually quite simple. The Colt AR 15 uses a sequential serial number …The numbers following it are the cage code for Colt. A normal sticker version of the data matrix usually scans as follows: [)> 06 17V1C5Q6 1P844830 S4004253. meaning, 17V is the cage code entity. 1P is the part number, S is the serial number.Early Pre-Ban Colt AR-15A2 Government Model Serial Number 51 Semi-Automatic Rifle with ScopeIntroduced in 1987. Fitted with an A1 bird cage flash hider, post front sight on the gas block with bayonet lug, standard markings on the slab side lower receiver, fixed carry handle with adjustable two-leaf rear peep sight, Colt 4x20 scope, casing deflector, and forward assist. Ribbed and ventilated ...

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1. How can I perform a Colt AR-15 serial number lookup? You can perform a Colt AR-15 serial number lookup by contacting Colt directly or using online databases. …Pre ban AR-15 serial numbers are unique sets of markings found on rifles manufactured before September 1994. These special formatting rules include alpha numeric combinations with specific letter prefix codes such as SP1, XM15 etc. Pre ban rifles usually have a "COLT AR-15" roll-mark or in some cases the older "AR-15" designation.Colt Variants. Colt Box Color FAQ. Colt Hammer Comparison . Colt Serial Numbers and Prefixes. Barrel and Bolt FAQ. Upper Receiver Comparison and FAQ. Magazine FAQ . Picatinny Rail Specifications. Pin and Spring Sizes. Recoil Buffers. Stocks. MILSPECs. Many Thanks to the folks at AR15.com for helping contribute information for …Here is the info: Colt AR15 and M16 serial number ranges Observed. Doesn't include Colt Tool Room or Gun Room marked guns. Not meant to be all knowing or exclusive. Colt AR15 Serial Number under 010 - Some have No logo - Tool Room Guns with distinctive tool marks on receiver. There are at least 3 guns serial number #0004 attributed to Colt.Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.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...AR15_1911. 1520 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.SP6920 Series. Entered market early 2011. Apparently only made during 2011. Early production had a standard collapsible stock and ‘Sporter M4 Carbine’ rollmark. Later production used the Colt-Rogers SuperStoc and had ‘M4 Carbine’ rollmark. SP6920 was marketed under Colt Manufacturing. LE6920 was marketed under Colt Defense. … ….

Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Warning . Close. Confirm Action. Are you sure you wish to do this? ... Does any one know the serial number range for when COLT first released the SP1 w/ Fwd asst? Id'd like to have one of the earlier ones built. …Dec 31, 2019 ... Foam Rifle and Pistol Rest https://amzn.to/2mIjHSr Magpul MOE Stock https://amzn.to/2LI01Xn Magpul MBUS Front and Rear Backup Sight ...QR code says it was made 22, February 2020. This is not unusual. Colt started using 'CR' serial number prefixes on M4 Carbine marked lowers around the end of 2018. Thank you Sir. I thought it may have been some kind of transition thing. Some of my others are simply 'Carbine'.AR-15 » AR Discussions. AR Sponsor: [ARCHIVED THREAD] - Colt AR-15 A2 Sporter II Serial Numbers. ARCHIVED. Posted: 9/26/2002 7:32:30 AM EDT. Can a RKI tell me approximately what year/years Colt AR-15 A2 Sporter IIs in the SP32XXXX and SP33xxxx serial ranges were built?A Colt AR-15 serial number is a unique identifier that is assigned to each weapon produced by the manufacturer, Colt. The serial number serves as an essential tool for tracking the ownership of firearms, especially in cases where weapons are stolen or used in criminal activities. The importance of the Colt AR-15 serial number lies in its ...How To Find Your Rifle's Unique Serial Number? Finding your colt ar -15’s unique serial number could be tricky sometimes because different models have different …Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.Early Pre-Ban Colt AR-15A2 Government Model Serial Number 51 Semi-Automatic Rifle with ScopeIntroduced in 1987. Fitted with an A1 bird cage flash hider, post front sight on the gas block with bayonet lug, standard markings on the slab side lower receiver, fixed carry handle with adjustable two-leaf rear peep sight, Colt 4x20 scope, casing deflector, and forward assist. Ribbed and ventilated ...Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Colt ar-15 serial numbers, Manufacturer: Colt Model: SP1 Pre-Ban AR-15 Serial Number: SP49427 Caliber Info:.223 Remington / 5.56 NATO Bore: Excellent Condition: Excellent Manufacture Date: 1975 Extras: Original Colt SP1 BlackSling . See all listings by Antique & Modern Firearms, I nc. Print this listing. Guns International #: 101199062, You’ve found a gorgeous 1955 Chevrolet Bel-Air for sale. If you want to find out as much information about the car before purchasing it, start with the serial number. Here is some ..., If you know where to look, identifying your Colt AR 15's production year by its serial number is actually quite simple. The Colt AR 15 uses a sequential serial number system that started with an "00001" series in 1960 up until "64500" which was used in late 1978., Colt Long Guns top. Berdan (Russian) Model Rifle Berdan (U.S.) Model Rifle Burgess Lever Action Rifle Colt - Sauer Drilling Colt - Sauer Bolt Action Rifle Colt - Sharps Sporting Rifle Colt AR-15 Sporter Colt'57 Bolt Action Rifle Coltsman Bolt Action Rifle Colteer 1-22 Bolt Action Rifle Colteer, Stagecoach & Courier .22 Rifles Franklin Military ..., I've only seen two of these "Colt AR-15 Target Model" rifles with the LST serial prefix. Both had low serial numbers and both were marked with the "Restricted Military/Government/Law Enforcement/Export Use Only" roll marking. No bayonet lug and has the screw style front pivot pin. ... Colt AR-15 Sporter SP1 rifle owner since 1971 Colt 1911 ..., Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear., Colt AR-15 with a serial number prefixed by the letters CLS is a Match Target "Lightweight" this one happened to be model MT6530. The other serial number I was give had a typo in it, I was given GL, but it should have been GC, which is a Government Carbine. Mystery is solved! Bet I can get both for an even $1,400 too, Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear., This Colt comes with one original factory 20-round magazine. If you have been looking for a minty and clean Pre-Ban Colt AR15 to add to your collection this example is about as nice as it gets. SOLD. Manufacturer: Colt. Model: R6551 Sporter Target Model AR-15. Serial Number: ST 036340. Caliber Info: .223 Remington / 5.56 …, I'm interested in buying a Colt Ar15-A3 Tactical Carbine model# 6721. The serial number in that list are explained as follows: BD AR15A3 Tactical Carbine 6721. BD000134 and Below (AR-15A3 Tactical Carbine - very rare model) The one I'm looking at buying has a serial number in the B001XXX range. I haven't had much luck contacting colt yet about ..., Oct 14, 2002 · Both are AR15A2's. One is a Sporter ll with the SP1 upper and lower receivers. It is numbered SP301011. The other is marked AR15A2 HBAR Sporter with the A2 upper on a slab-side lower (this one is identical to my rifle except for the receiver markings) and is numbered SP215677. Thus the rifle with the "early" A2 features has the higher serial ... , I did that with My Colt Sporter Match HBAR (1993). As far as price, it all depends on condition and how bad you want a HBAR. Since it is a pre-ban Colt, it would be worth adding to a nice collection with some other early Colt ARs. As far as the price goes, you can probably get it for less if you try. $900 would be a good target price if it is ..., The serial number is SER. SP 187716 below the model number, according to my personal reference list that serial number was made in 1982, in 1983 the serial number started in SP 192XXX. There are times Colt use their serial numbers not in sequence, there are some years that they skip in random. The Colt site serial number look up sometimes does ..., Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Warning . Close. ... Colt Carbine (R6521) Serial Prefix - CC Discontinued in 1988 Gov't Model (R6550) Serial Prefix - GS ... Its serial number is GC02091X. On the front sight is says 609, on the barrel it says 2/95 under the ..., Pre ban AR-15 serial numbers are unique sets of markings found on rifles manufactured before September 1994. These special formatting rules include alpha numeric combinations with specific letter prefix codes such as SP1, XM15 etc. Pre ban rifles usually have a "COLT AR-15" roll-mark or in some cases the older "AR-15" designation., Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Warning ... Serial number SP249xxx. If the gun is in very good condition and not molested I would think the price is fair. Posted: 3/3/2016 3:14:51 PM EDT ... Bought my 5 digit serial # colt hbar four or so years ago for …, iOS: Finding time to read is hard, but if you fancy yourself a fan of classic literature, from the likes of Jane Austen, Jules Verne, or Charles Dickens, then Serial Reader’s a cle..., Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Warning . Close. ... Colt Carbine (R6521) Serial Prefix - CC Discontinued in 1988 Gov't Model (R6550) Serial Prefix - GS ... Its serial number is GC02091X. On the front sight is says 609, on the barrel it says 2/95 under the ..., Typically, the serial number can be found on the lower receiver of the Colt AR-15. What is the difference between a Colt AR-15 and an M4? While both are variants of the same basic design, an M4 has select-fire capabilities, meaning it can fire in both semi-automatic and automatic modes, whereas a Colt AR-15 is typically only semi-automatic., Colt's Manufacturing Company, LLC (CMC, formerly Colt's Patent Firearms Manufacturing Company) is an American firearms manufacturer, founded in 1855 by Samuel Colt and now a subsidiary of Czech holding company Colt CZ Group.It is the successor corporation to Colt's earlier firearms-making efforts, which started in 1836. Colt is known for the engineering, production, and marketing of firearms ..., Sep 26, 2022 · The numbers following it are the cage code for Colt. A normal sticker version of the data matrix usually scans as follows: [)> 06 17V1C5Q6 1P844830 S4004253. meaning, 17V is the cage code entity. 1P is the part number, S is the serial number. , R. Medina on October 31, 2020: ttn intnl model 1878 s/n 4751. michael v ventimiglia on October 30, 2020: new england firearms ( N G 001039 ) model r22 ultra mini. Volunteer arms co. on October 29, 2020: 16 gauge serial number is 90524xe what would it be worth and how old is it. Joseph Farrell on October 27, 2020:, What is a COLT AR 15 SP 1 Rifle Worth? A COLT AR 15 SP 1 rifle is currently worth an average price of $2,063.00 used . The 12 month average price is $2,032.14 used. The used value of a COLT AR 15 SP 1 rifle has risen $47.47 dollars over the past 12 months to a price of $2,063.00 . The demand of new COLT AR 15 SP 1 rifle's has fallen 3 units ..., The location of the serial number on an AR-15 varies depending on its manufacturer and model. However, most commonly, you would find it etched near the lower receiver or around the trigger guard area. A reliable way to determine where your specific rifle's serial number is located would be by checking with your manufacturer's manual., The 2 position Colt stocks with vinyl acetate aluminum buts art a small fortune, like $400+. SP123040 is late 70s or early 80s. "SP1" is not a prefix, "SP" is the prefix. ETA: 1980 according to the arf SP1 database., Colt SP1 Serial Number Info. I'm soon going to have an opportunity to purchase 2 SP1 AR's that were (according to the seller) originally purchased by him sometime in the 60's. I'm a newbie when it comes to the vintage AR's, so I was wondering if anyone could point me in the direction of some info on serial number lookup for the older Colts., The defendant rifle, one Colt AR-15 firearm, serial number TA035524, is hereby forfeited to Plaintiff United States. IT IS SO ORDERED. NOTES [1] Rule C(6) (a) provides: In an in rem forfeiture action for violation of a federal statute:, 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 …, I was told that this rifle was a preban product of the Colt Custom shop. The serial number is C CH001720. The Blue book says the custom shop made 2,000 prior to the ban. The problem is that the Colt number range for Post Ban Match Target's also starts with CCH, but interesting enough all the resource I read say that the post ban guns are above ..., Catalogs / Manuals Catalogs 2023 Commercial Catalog Pistols 22 Caliber Conversion Unit Semi Automatic Series 80 Pistol 22 Colt Service Model ACE Automatic Pistol 22 Pistol & Target Model All American Model 2000 Automatic Pistol Caliber .25 Pocket Model, Hammerless Automatic Pistol Pocket Model, Caliber .38 Automatic Pistol Pocket Model,…, The LBD Colt prefix serial numbers are for Colt model AR6721 AR-15 A3 Tactical Carbines, I have one with that same prefix. Here's a reference site that shows the Colt prefix letters, it shows the BD prefix on models 6721 but the letter L prefix if I'm not mistaken means Law Enforcement. Colt AR-15 Serial Number List and FAQ - BiggerHammer site ..., Specifically looking for the range of W prefix Colt M4’s. Colts M4/M4A1 will have a "W" prefix M4s start at W000xxx M4A1 started at W300xxx. However with most M4s being converted to M4A1 status serial numbers are mixed (they keep the same SN) Colts M4/M4A1 will have a "W" prefix M4s start at W000xxx M4A1 started at W300xxx., Jul 9, 2023 · The Colt AR-15 A2 Sporter 2 Serial Numbers is a popular topic among gun enthusiasts and collectors alike. This rifle, produced by the legendary American gun manufacturer Colt, has been in production since the late 1950s and has undergone many changes and improvements over the years.