UPDATED AS OF 10-17-2013
Q: What does my serial number mean?
A: Nothing is more frustrating than to know little or nothing about the firearm you own or are about to buy. Use the information in this page to help determine when your Olympic Arms firearm was produced. Please read all of the details on this page because there are many questions answered in the following paragraphs.
As many of you already know, on the 7th of June, 2000, Olympic Arms experienced a devastating fire that destroyed our sales offices. In those offices were housed our current as well as archival records with regards to manufacture, acquisition and distribution of firearms. The books that we, as well as all federally licensed firearms dealers are required to keep are commonly known as "Bound Books", or "A&D" (acquisition & distribution) books.
These books, over 25 years of Olympic Arms history and data, were completely destroyed in that fire. All A& D book records prior to the 7th of June, 2000 are GONE. Period. This is an unfortunate situation that severely limits our ability to provide product information for any and all AR-15 lower receivers and/or complete guns manufactured prior to that date. As a result all that we can provide is what you see below, a date "range" in which your serial number was manufactured.
We CANNOT provide you with the date the serial number was shipped, we CANNOT provide you with information determining whether a particular serial number was a factory assembled firearm, and most importantly, we CANNOT determine whether or not your particular serial number is a legal grandfathered pre-ban firearm.
Many people and organizations have been critical of Olympic Arms for not securing a copy of these records elsewhere, or keeping an electronic file of this data as an emergency back up. If you'd like to read why this decision was made, please read the article in the About Us section titled "Pre-fire Bound Books". Remember that Olympic Arms fully complied, and still does, with ATF regulations regarding A&D books.
Below you will see a list of serial numbers. At Olympic, we group our serial numbered lowers into "ranges". If you'll notice, all the serial number ranges have a letter prefix but one. The initial receivers made by Olympic Arms simply contain a 4 digit serial number, no letter prefix. Each subsequent serial number range (either beginning with 0001, or 1001) will show a 1 or 2 letter prefix.
Additionally, you will see several lines for serial numbers that begin with the same letter(s) prefix. These prefix series are divided by a date range to their right. These date ranges are the beginning and ending dates of the physical paper ledgers in which those numbers were recorded. In other words, the ledger books were not large enough to contain all of the numbers (0001-9999), in one book. For that reason, there is a beginning date and end date for each ledger. That is what you see below.
Match your receiver up with the letter prefixes on the chart below. Each line is separated into 5 columns.
Column 1: The serial number itself (including prefix).
Column 2: The beginning serial number in that book.
Column 3: The beginning date for that book. If there is only one date listed after the serial numbers in column 2 and/or 2, all of those numbers were manufactured on that same day.
Column 4: End date for that book.
Column 5: Comments regarding that range of serial numbers. The comments as listed would apply to all of the serial numbers with the prefix listed to the left.
|SN Range||1st Date||End Date||Special Notes|
|1000||8845||03/14/79||06/04/82||Cut from aluminum bar stock. Most were made for other manufacturers such as Palmetto Armory.|
|P0001A||P0588A||12/17/1982||07/18/1988||PAWS: Police Automatic Weapons Service, OR|
These receivers were manufactured
for Bushmaster. While all of these
are for BM, there were more.
|NAMV1||NAMV100||03/20/1985||08/28/1986||These were limited edition Vietnam War Commemoratives.|
|USMC1||USMC320||01/21/1986||04/05/1993||Limited Edition US Marine Corp Commemoratives sold as stripped lowers to one manufacturer who assembled them into complete units by special order.|
|TBOR1791||TBOR1991||1991||1991||These receivers are made from Beryllium copper.|
|CIA0001||CIA3402||10/28/1996||07/14/1997||These receivers were made under contract with Century International Arms. These are NOT Olympic Arms firearms, are post ban and not supported by Olympic Arms.|
|H1300||H3299||08/27/1994||Any "H" series number lower than 'H1300" was made prior to 08-27-1994. No further information is available about these lower "H" series numbers.|
|SGW0001||SGW1045||02/15/2000||04/10/2001||All SGW serial numbered lower receivers are CAST receivers, and sold stripped, or as "Plinker" Rifles only.|
|MX1001||These receivers are match-grade quality Maxhard® treated Aluminum forged receivers.|
|BT0001||BT1853||05/24/2002||01/20/2003||Series named after long time employee Bill Thrall. Thanks for your service Bill!|
|M0001||M0198||02/20/200203||04/01/2002||Series Stopped because of CNC change.|
|LP0001||LP0577||05/02/2001||02/19/2004||OA-98 Pistols only|
|SM0001||SM8096||02/3/2003||6/22/2005||Series names after Oly CNC programmer Steve Melby. Thanks for your service Steve!|
|TB0001||TB4990||12/06/2005||8/11/2006||Series named after long time employee Tim Butterfield. Thanks for your service Tim!|
Series named after Karl Jergens. Thanks Karl for your years of service!
||6/10/2008||1/29/2009||Series named after long time employee John Fischer. Thanks for your service John!|
|04/07009||5/21/2010||Series named after long time employee Walt Dziadyk. Thanks for your service Walt!|
||6/20/2011||Series named after long time employee Chris Holeman. Thanks for your service Chris!|
||10/08/2012||3/08/2013||Series named after long time employee Shane Barker. Thanks Shane for your years of service!
|AW0001||AW3810||7/16/2013||10/08/2013||Series named after Andrew Wilson. Thanks for your years of sesrvice Andy!|
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