1. Saginaw M1 Carbine Serial Numbers
2. Inland 30 Carbine Serial Numbers
3. Inland M1 Carbine Serial Number Date Of Manufacture 2020

Inland Division of General Motors

This Inland-built M1 Carbine is on display at Fort Macon State Park in North Carolina. Author's Photo added 1-14-2017. The Inland stamp is easier to read than on the previous carbine and is serial number 210736. Author's Photo added 1-14-2017. Inland Division of GM built 811 out of the 1,919 T3 infrared carbines during WWII. M1A1 Serial Numbers. Inland Manufacturing Division of General Motors was the only manufacturer of the M1A1 and manufactured approximately 140,000 by the close of the war. The M1A1 was manufactured in two main production runs, both of approximately 70,000. The first was produced and delivered from late 1942 through until October 1943.

-Main Manufacture & Identification Codes: 'I' 'IN'
-Main Plant Location: Dayton, Ohio.
-Average Cost to Government per completed rifle, $37.75.
-Approximately 2,632,097 total Carbines were made by Inland: About 43% of all M1 Carbines made.
---M1 Carbines: 2,428,486 | 86.91%
---M2 Carbines: 202,800 | 7.73% (Only Inland and Winchester Manufactured these)
---T2 Carbines, Unknown. (Only Inland and Winchester Manufactured these)
---T3 Carbines, 811 | .03% (Only Inland and Winchester Manufactured these)
---M1A1 Carbines, 140,000 | 5.33% More info on M1A1 here (Only Inland made these)
-Serial number blocks assigned by the government:
---- Serial number 1 - 5, October, 1941 - April, 1942 (Tool room prototypes)
---- Serial number 5 - 100, April, 1942 - May, 1942
--1st block, Serial number, 11 - 999,999 | May, 1942 - December, 1943
--2nd block, Serial number, 2,912,520 - 3,212,519 | September, 1943 - Late January, 1944 (Includes Saginaw (S.G.) receivers)
--3rd block, Serial number, 4,879,526 - 5,549,821 | January, 1944 - August, 1944 (Includes Saginaw (S.G.) Receivers)
----Serial number, 5,549,822 - 5,550,376 | August, 1944 (Inland ran into Winchester serial number block)
----Serial number, 5,557,000 - 5,557,990 | August, 1944 (Inland ran into Winchester serial number block)
--4th block, Serial number, 6,219,689 - 6,449,883 | August, 1944 - November, 1944
--5th block, Serial number, 6,629,884 - 7,234,883 | November, 1944 - January, 1945 (Some M2 Production, Fully automatic Carbines) M2 / T3 Specific forum can be found here
--6th block, Serial number, 7,369,661 - 8,069,660 | January, 1945 - August, 1945 (M2 Production, Fully automatic Carbines)
----Serial number, 0001 - 0800 | Late 1944 - 1945 (T3 Production, sniper model Carbines) M2 / T3 Specific forum can be found here
----Serial number, 00001 - 00900 | Late 1944 - 1945 (T3 Production, sniper model Carbines)
-Primary stock & hand guard supplier: S.E. Overton and Hillerich & Bradsby
-Barrel suppliers: Inland, Brown-Lipe-Chapin for Inland.
-Parts made directly by Inland:
Bolts, Receivers, Barrels, Magazine Releases, Hammers, Gas Nuts, Gas Cylinders, Firing Pins and Trigger Housings.
Side Notes:
- Inland was the forerunner for all to follow. Other contractors were gearing up to manufacture the Carbine and Inland provided most of the tooling and production procedures that would enable the others to begin full production.
- Any Inland Receiver with a 'X' after the serial number means that serial number was used by Winchester, its a duplicate so to make it different Inland put an 'X' after the serial number.
-All matching vs how it left the factory:
****** There is a difference between an all matching carbine and how it left the factory, a lot of M1 Carbine contractors shipped parts to other Contractors. Just because its all matching doesn't necessary mean that is how it left the factory. So don't get super disappointing if your Carbine is not all matching, its possible its exactly how it was when it left the factory!!! An example say Underwood was low on sears, Inland would ship some Sears to them. Sometimes marked or unmarked. Here is some known shipments to Inland, how ever there could be more shipments that occurred that are unknown but this is a good reference. (most parts were shipped together in groups, magazine catches with sears, etc)
(Organized by year. 1942 - 1944)
-Underwood shipped approximately 16,000 Firing pins to Inland in 1942.
-Winchester shipped approximately 1,200 firing pins to Inland in 1942.
-Rock-Ola Shipped approximately 10,000 sears to Inland in 1943.
-Underwood shipped approximately 4,000 Rear (Flip sights) to Inland in 1943.
-Winchester shipped approximately 4,000 hammers to Inland in 1943.
-National Postal Meter shipped approximately 25,000 Rear (Flip sights) to Inland in 1944.
-National Postal Meter shipped approximately 1,000 Rear Sight Leafs to Inland in 1944.
Example: You have an all matching Inland except hammer that's marked 'W' for Winchester, there is a good chance it left the factory just like that!!!
Please feel free to PM me or post for any errors or any further information.
-Thanks.
---------------
--Some history of Inland:
'The Inland Manufacturing Division of General Motors was organized in 1922 for the manufacturing of wood wrapped steering wheels. The division used the buildings and technology of the defunct Dayton Wright Airplane Company. The division was unique as the only division created within the corporation, not acquired by purchase.
By 1924, the wooden steering wheel had been replaced with the hard rubber steering wheel and the division gradually transformed from a wood working operation to a rubber processing operation.
A wartime shortage of men and women to fill jobs led to the enactment of a “buddy” shift. The first business in Dayton to adopt the new buddy shift was Inland Manufacturing. In February 1943, Inland hired a number of high school boys to work at Inland after school until 7 p.m., at which time men and women who had full time jobs during the day would take over and work until 10 p.m.
Inland Division of General Motors was one of nine contractor-established manufacturing facilities that tooled up and turned out M-1 carbines during WWII, a five-pound rifle considered the nation’s best ordnance effort of the war. By the end of the war, Inland had produced over two and a half million carbines. Inland also produced a one-pound pistol called the “Little Monster”, which had been designed to be airdropped to resistance fighters in Europe.
During the war Inland also made tank tracks for America’s leading tank manufacturers, as well as Great Britain’s. At war’s end almost 20 million tank shoes of various sizes were fabricated by Inland. The diesel tank clutch was another product developed by Inland. Inland also made gun sights and shoulder rests for the rapid firing 20mm anti-aircraft gun. Helmet liners were produced in great quantities by Inland. Fire extinguisher horns used on United States Naval ships were in short supply and insufficient strength. Within 60 days Inland was mass-producing a new and improved horn. Inland aircraft hose, steering wheels, gaskets, sleeves, bushings and countless other small parts were produced for the war effort.
After the war, Inland applied its experience to mass produce plastic and rubber steering wheels, clutches, motor mounts, running boards, gravel shields, brake linings, weather strips, refrigerator door seals, defroster hose, small plastic parts, radio cabinets and many other products. Inland practically took over the metal ice tray business producing trays for almost all the large electric refrigerator companies.
By the 1950’s, Inland was making brake linings, bumpers, turn signals and a host of other automotive products. By 1982, it also was turning out fiberglass suspension springs for the Chevrolet Corvette.
In 1989, the Inland division was merged with Fisher Guide to form Inland Fisher Guide. That was later grouped with GM’s other components divisions to form the Automotive Components Group (ACG).
In 1995, ACG was renamed Delphi Automotive Systems and spun off from GM in 1999.'
(All of this informative was quoted from this website, http://history.gmheritagecenter.com/wik .. g_Division )
-1940's Inland Manufacturing Division insignia
---More information may be added
***General Carbine history can be found here:****

The U.S. Carbine Caliber .30

U.S. Army Ordnance Serial Number Assignments

Serial Number Tables Models M1, M1A1, M2 By Prime Contractor Table A Numerical Order Table B Subcontracted Receivers Table C Leftover Receivers used by Winchester Table D Transferred Receivers Table E Duplicated Serial Numbers Table F Irwin-Pedersen, Grand Rapids, & Saginaw Table G Inland Mfg - Engineering & Presentation Gifts Table H 8 Million Serial Numbers Table I Model T3 T3 Model T4 T4 Understanding Serial Numbers - Understanding Dates of Manufacture Dating a carbine by its serial number alone is difficult and not always accurate given the circumstances inherent with manufacturing and the logistics situation during the time the carbines were manufactured. Some people estimate a carbine's date of manufacture by adding the quantities manufactured month to month to the assigned serial number blocks. This is not an accurate means of estimating the date the carbine was finally assembled or when it passed its final inspection. Serial number blocks were assigned by the Ordnance Department on an as needed basis, generally in response to the awarding of a contract to a given manufacturer. Think of each serial number block as a separate contract. Contracts had a completion date but there was no requirement for completing one contract before starting another. There was no requirement as to using the serial numbers in order. A few manufacturers used some serial number blocks out of order. Some of these blocks were split up and used before or after other blocks. Some manufacturers used more than one block in the same time frame. A few of the manufacturers used subcontractors to manufacture their receivers. One manufacturer separated out smaller blocks of serial numbers for use by subcontractors who would use these serial numbers concurrent to receivers being made by the prime contractor and/or other subcontractors assigned lower or higher serial number blocks. The serial number was placed on the carbine receiver during the manufacturing process of the receiver, not when the carbine was finally assembled. The decision for which receivers would be used for the U.S. Carbine Models M1 or M1A1, and some of the M2's, were made well after the receiver was completed as all of these models used the same receiver. Serial numbered receivers that failed to pass inspection were set aside as rejects if the defect(s) could not be brought up to minimum standards. As solutions to old problems were learned, some of the same receivers were brought back online and completed (i.e. Inland receivers initially rejected because of an off spec deep hole drilled for the recoil spring and guide, later recovered and altered to use a detachable main spring housing). If a receiver was scrapped and not used, its serial number may or may not have been reused. No documentation from Ordnance, or any of the prime contractors, has been found that indicates the date and serial number of carbines as they were assembled or when they passed final inspection. Given the high volume of production, receivers were generally assembled as part of a carbine within a few months after the receiver was serial numbered. Barrels were a critical component in the production lines. If inventory ran out it could shut down production. Four of the prime contractors did not have the ability to manufacture barrels. The ebb and flow of mass production created parts surpluses and shortages for all the prime contractors, barrels included. Shortages were common until Ordnance arranged for additional barrel manufacturers. During the first half of production the barrels were often mounted on a receiver within 1-2 months of when the barrel was made. If a receiver has its original barrel and the barrel includes a date, it may provide a general idea of when the barrel was attached to the receiver. As time goes on more and more carbines are having parts replaced. Parts wear out, carbines are disassembled for the sale of the parts individually. Carbines have been, and still are, rebuilt from spare parts. Many people have reconstructed many carbines with what they believe should have been on the carbine when it left the factory.

U.S. Caliber .30 Carbine Models M1, M1A1 and M2

TABLE A Prime Contractor Prime Contractor Start End IBM 3,651,520 4,009,999 Inland 1 5 11 999,999 2,912,520 3,212,519 4,879,526 5,549,821 6,219,689 6,449,868 6,629,884 7,234,883 7,369,661 8,069,661 National Postal Meter 1,450,000 1,549,999 1,937,520 1,982,519 4,075,010 4,432,099 ..as Commercial Controls (1) 001 239 Quality Hardware 1,550,000 1,662,519 1,875,040 1,937,519 4,432,100 4,532,099 4,632,100 4,879,525 Rock-Ola 1,662,520 1,762,519 4,532,100 4,632,099 6,071,189 6,099,688 6,199,689 6,219,688 Saginaw (S.G.) 3,250,020 3,651,519 5,834,619 6,071,188 Saginaw (S'G')/Irwin-Pedersen 1,762,520 1,875,039 3,212,520 3,250,019 Standard Products 1,982,520 2,352,519 Underwood 1,350,000 1,449,999 2,352,520 2,912,519 4,010,000 4,074,999 6,099,689 6,199,688 Winchester 6 10 1,000,000 1,349,999 4,075,000 4,075,009 5,549,922 5,834,618 6,449,884 6,629,883 7,234,884 7,369,660

TABLE B Numerical Order Start End Prime Contractor Notes 1 5 Inland Toolroom Models (2) 6 10 Winchester Toolroom Models (2) 11 99 Inland Engineering (3) & Experimental (4) 100 999,999 Inland (see Tables C, E, F) 1,000,000 1,349,999 Winchester 1,350,000 1,449,999 Underwood 1,450,000 1,549,999 National Postal Meter 1,550,000 1,662,519 Quality Hardware 1,662,520 1,762,519 Rock-Ola 1,762,520 1,875,039 Irwin-Pedersen/Saginaw (S'G') (see Table G) 1,875,040 1,937,519 Quality Hardware 1,937,520 1,982,519 National Postal Meter 1,982,520 2,352,519 Standard Products 2,352,520 2,912,519 Underwood (see Tables C, D, E) 2,912,520 3,212,519 Inland (see Table C) 3,212,520 3,250,019 Irwin-Pedersen/Saginaw (S'G') (see Table G) 3,250,020 3,651,519 Saginaw (S.G.) (see Table G) 3,651,520 4,009,999 IBM (see Tables C, E, F) 4,010,000 4,074,999 Underwood 4,075,000 4,075,009 Winchester Winchester gift guns 4,075,010 4,432,099 National Postal Meter (see Table C) 4,432,100 4,532,099 Quality Hardware (UN-QUALITY) (see Table C) 4,532,100 4,632,099 Rock-Ola 4,632,100 4,879,525 Quality Hardware 4,879,526 5,549,821 Inland 5,549,822 5,549,921 not assigned 5,549,922 5,834,618 Winchester (see Tables D, F) 5,834,619 6,071,188 Saginaw (S.G.) 6,071,189 6,099,688 Rock-Ola 6,099,689 6,199,688 Underwood 6,199,689 6,219,688 Rock-Ola 6,219,689 6,449,883 Inland 6,449,884 6,629,883 Winchester 6,629,884 7,234,883 Inland Model M1 & Model M2 7,234,884 7,369,660 Winchester Model M1 & Model M2 7,369,661 8,069,661 Inland Model M2 higher s/n's (post WWII) (see Table I)

(1) leftover carbines offered to Ordnance after a company name change and completion of the NPM contract (2) Toolroom Models: Pre-production carbines to test and finalize drawings for mass production (3) Engineering Models: Pilot models made from Engineering Drawings (4) Experimental Models: alternate designs experimenting with ways to reduce the time and cost of production

Notice

Tables C - F

Documents found in the past have identified several prime contractors who assigned subsets of their serial numbers to their subcontractor(s). Data collected over the years has sometimes conflicted with the information in these documents. There are a variety of reasons things may have been changed or simply ignored. Rather than assume the documents were followed to the letter, the serial numbers in tables C-F are presented with the lowest and highest reported to date. We would like to encourage you to share information you may have that will help reconstruct what was actually done versus planned. If you choose to do so please contact us using the forum.

TABLE C Subcontracted Receivers (also see Table E)

Lowest	Highest	Prime Contractor	Code	Subcontractor	Notes
700,126	709,449	Inland	SI	Saginaw S.G., Saginaw, MI	(also see Table E)
707,298	938,380	Inland	SG	Saginaw S.G., Saginaw, MI	(also see Table E)
940,600X	950,919X	Inland	SG	Saginaw S.G., Saginaw, MI	(also see Table F)
2,352,521	2,400,080	Underwood	T	Intertype Corp.	(also see Table D)
2,452,638	2,491,453	Underwood	W	Universal Windings	(also see Table D)
2,572,558	2,601,955	Underwood	S	United Shoe Machine
2,625,041	2,682,871	Underwood	B	Singer Mfg	(also see Table D)
3,152,529	3,199,190	Inland	SG	Saginaw S.G., Saginaw, MI
3,835,477	3,907,689	IBM	AO	Auto-Ordnance	s/n's intermixed w/IBM s/n's (also see Table E & F)
4,325,227	4,387,735	National Postal Peter	U	Union Switch & Signal	the U is different than Underwood ·U·
4,432,255	4,466,225	Quality Hardware	UN-QUALITY	Union Switch & Signal

TABLE D Leftover Receivers used by Winchester

Underwood had receivers in various stages of completion left over when their contract ended. These receivers were purchased by Winchester. What followed was not always consistent and sometimes varied. The information that follows has been reconstructed from the data collected so far. It is not unusual to find a receiver that doesn't fit these criteria. The focus at Winchester was meeting production quotas during a time of high demand.

- Underwood receivers that had not yet been hardened: Winchester removed the Underwood name and serial number, then replaced them with the Winchester name and serial number.

- Receivers that retained the Underwood name: Winchester sometimes lined out the Underwood name, sometimes not.

Winchester added the letters W A or A W to the bevel of the receiver. - If the receiver had an Underwood subcontractor code, the subtractor code was left in place between the W A or A W. - One or both of the letters of the W A or A W code may be difficult to see. Some have been reported with only one of the two letters or in combination with an Underwood subcontractor code. - The significance of the letter A is unclear.

Lowest	Highest	Info	Code
1,244,697	1,290,339	Underwood name removed, Winchester name & s/n	A W
2,38x,xxx	2,404,928	Underwood name not lined out, Underwood s/n	WTA
2,485,125	2,491,867	Underwood name not lined out, Underwood s/n	WwA
5,759,1xx	5,801,924	Winchester name, Winchester s/n	T
5,814,798	5,820,062	Underwood name removed, Winchester name & s/n	A W
6,461,479	6,482,225	Underwood name lined out, Winchester s/n	A W, W A
6,473,811	?	Underwood name lined out, Winchester s/n	No Code
6,497,153	6,614,551	Underwood name lined out, Winchester s/n	B, BA, ABW, BW

TABLE E Transferred Receivers

Ordnance required the name of the prime contractor to be defaced by a single narrow horizontal line. The
identification mark of the receiving facility was to be added at the rear of the serial number.

Kmsauto net office 2016 key. Serial numbered receivers transferred were not restricted to a certain block of serial numbers. Some were sequential but many were not.

Lowest	Highest	Info	Code
126,794	127,006	Inland s/n'd receivers sent to National Postal Meter	N
438,xxx	590,828	Inland s/n'd receivers sent to Rockola	Rockola
496,xxx	634,161	Inland s/n'd receivers sent to Underwood	·U·
702,607	?	Inland s/n'd receivers from SI subcontract sent to Underwood	·U·
724,318	751,395	Inland s/n'd receivers from SG subcontract sent to Underwood	·U·
1,765,761	1,769,771	Irwin Pedersen s/n'd receivers sent to Underwood	·U·
2,743,286	2,770,326	Underwood s/n'd receivers sent to National Postal Meter	N
3,842,177	3,846,371	IBM s/n'd receivers from AO subcontract sent to National Postal Meter	N
4,049,244	?	Underwood s/n'd receivers sent to National Postal Meter	N

TABLE F Serial Numbers Duplicated (including use of X Suffix)

Saginaw M1 Carbine Serial Numbers

Prime contractors and/or subcontractors sometimes ran over their assigned serial number block and into a block assigned to
another prime contractor and/or subcontractor, creating duplicate serial numbers. Ordnance dealt with this by directing
an X be added after the serial number of the receiver that exceeded the assigned block if duplicates were found.

There is insufficient data to determine if every serial number between the lows and highs was duplicated or if it was random.
It is assumed some were sequential but possibly not all. More data submissions are needed to help determine any patterns.

Lowest	Highest	Manufacturer	Code	Details
940,600X	950,919X	Saginaw subcontract for Inland	X at end of s/n	Duplication of Inland s/n's
3,651,550	3,651,898	SG	?	Duplication of IBM s/n's
3,835,477-X	3,907,689-X	IBM	no identifying markings	IBM duplicated some of s/n's they assigned to AO
4,800,004	4,801,447	Quality Hardware	X below s/n	Possible duplication of their own s/n's
5,550,040-X	5,550,285-X	Inland	-X below s/n	Overrun into unassigned s/n block & Winchester s/n's
5,550,148	5,812,437	Winchester	D below s/n	Significance unknown
5,557,074-X	5,557,996-X	Inland	-X below s/n	Machine error duplicating Winchester s/n's

TABLE G Irwin-Pedersen, Grand Rapids, & Saginaw

None of the carbines produced by Irwin-Pedersen (IP) were accepted by Ordnance. Saginaw Steering Gear in nearby Saginaw, MI was already engaged in the preparation for the manufacture of carbines along with providing subcontracted receivers for Inland. The Irwin-Pedersen contracts were terminated by Ordnance. An Ordnance supplement to the Saginaw Steering Gear (SG) contract turned over carbine production at the Grand Rapids facility (S'G') to Saginaw Steering Gear. Irwin-Pedersen Numbers Reassigned to Saginaw at Grand Rapids Grand Rapids manufactured their own receivers as well as using viable IP marked and serialized receivers they had acquired in the takeover. Serial numbers IP had not yet used were used by S'G'. As were serial numbers from IP receivers that were scrapped

Serial Number Range		S/N Block Reassigned to	Markings on Receivers	Notes
1,762,520	1,875,039	Saginaw Grand Rapids	Irwin-Pedersen or Saginaw S'G'	names are intermixed
3,212,520	3,250,019	Saginaw Grand Rapids	Irwin-Pedersen or Saginaw S'G'	names are intermixed

Saginaw Receivers with SG Subcontractor Markings Receivers produced at the Saginaw plant under subcontract to Inland initially had the SI receiver code on the left side of the receiver below the wood line. The receiver code was soon changed to SG. Receivers with the SG receiver code were intended for use by Inland though they were also used by Saginaw. The serial numbers and manufacturer names identify who actually used the receiver.

Serial Number Range		S/N Block Assigned to	Markings on Receivers	Notes
3,250,020	3,651,519	Saginaw	SG	SG on left side of some receivers, not all

Saginaw SG Markings on Receivers with Grand Rapids Serial Numbers Among the last 1000 serial numbers of a block assigned to the Grand Rapids plant, receivers manufactured in Saginaw with SG markings have been reported mixed in with S'G' marked receivers manufactured in Grand Rapids.

Serial Number Range		S/N Block Assigned to	Markings on Receivers	Notes
3,249,020	3,250,019	Grand Rapids	S'G', some SG	possibly as many as 1000 SG receivers

SG and S'G' Mix of Receivers and Serial Numbers The data submitted for this serial number range is insufficient to reconstruct what was done by which of the two facilities with each others receivers. The data on these receivers, serial numbers, and prime contractor names is an ongoing research project that needs your help. Serial Number Range S/N Block Assigned to 3,541,000 3,651,519 Saginaw Saginaw receivers with Saginaw serial numbers have been reported with S'G' markings. At least one document has been found that indicates Saginaw received Ordnance authorization to sent an unknown quantity of receivers to Grand Rapids. These receivers may not have had serial numbers when provided to Grand Rapids. The Grand Rapids facility stopped carbine production on 01 Jan 1944 but continued to make receivers and trigger housings which were sent to the Saginaw Plant for assembly. Assistance Request If you own one of these carbines and would like to assist with the reconstruction of this history, we have a short survey on our forum (with instructions) for you to submit by CLICKING HERE.

TABLE H Inland Manufacturing Engineering & Presentation Gift Serial Numbers (not government issue)

Letter prefixes X through XD were initially allocated by Inland for carbines intended for internal use only. The letters were followed by numbers (i.e. XA27, XA62, XD14). XA through XD was assigned for use by their Engineering Section on carbines built for testing and evaluation by their engineers. The quantity of carbines used by their Engineering Section varied so the numbers with each prefix also varied. Inland later decided to present carbines as gifts to Inland employees, subcontractors, suppliers, members of the military or government, and others to show appreciation for their assistance and cooperation with Inlands war effort. The serial numbers allocated to these carbines were as follows.

Start Serial Number End Serial Number X1 X100 XA1 XA100 XB1 XB100* XC1 XC100 XD1 XD100 XE1 XE100 XF1 XF100 XG1 XG100 * XB271 is a documented exception

This resulted in an unknown number of 'presentation' carbines possibly having the same serial number as the earlier Engineering carbines. The carbines used for this purpose were not from inventory submitted to or accepted by the government. Many were constructed using whatever parts were available. Examples being outdated parts and prototype parts that had accumulated throughout the various departments within Inland over the years of production. This included a few of the previous Engineering carbines no longer needed. Carbines that have one of these serial numbers may be an Engineering prototype, a 'presentation' carbine, or both. Paragon ntfs for mac 10 8 free download. They are a specialty that requires each be assessed individually to determine its historical significance. They should not be altered or fired. Doing so may alter their historical value. Assistance Available Should you own one of these carbines we may have additional information on your carbine that is beyond the scope of this website. We can be contacted at the following e-mail address.

TABLE I Carbines with a Serial Number above 8 million

Post WWII, the Office of the Chief of Ordnance (OCO) assigned replacement numbers to armories, arsenals, and depots for carbines having damaged or obliterated serial numbers. Numbers were issued sequentially, beginning where Ordnance had left off with serial number blocks assigned during WWII. The letter X preceding the serial number designated it as a replacement. The new serial number was hand stamped on top of the receiver behind the rear sight, in the vicinity of the prior serial number.

Quantity	Start	End	Assigned to:	Date/Notes
WWII
-	7,369,661	8,099,661	Inland	assigned block - M2's
-	8,069,662	8,084,811	Winchester	assigned block - M3's - not used
Post WWII - Assigned by Office of the Chief of Ordnance - Documents unclear if X added
9	8,084,812	8,084,820	'Mr. Thompson', Field Services	04 Mar 1949
1	8,084,821	National Guard Bureau	date unk
1	8,084,822	Raritan Arsenal	14 Feb 1950
Post WWII - Assigned by Office of the Chief of Ordnance - X Prefix
3	X8,084,823	X8,084,825	Raritan Arsenal	18 Feb 1950
1	X8,084,826	Missouri National Guard	17 Jul 1950
1	X8,084,827	Florida National Guard	04 Apr 1951
25	X8,084,828	X8,084,852	Rock Island Arsenal	15 Jun 1951
1	X8,084,853	California National Guard	date unk
1	X8,084,854	Mt. Ranier Ordnance Depot	18 Sep 1951
1	X8,084,855	Raritan Arsenal	28 Nov 1951
25	X8,084,856	X8,084,880	Mt. Ranier Ordnance Depot	10 Dec 1951
200	X8,084,881	X8,085,080	Rock Island Arsenal	30 Jan 1952
20	X8,085,081	X8,085,100	not reported	18 Feb 1952
2	X8,085,101	X8,085,102	Raritan Arsenal	14 Sep 1953
1	X8,085,103	National Guard (no State indicated)	15 Jan 1954
1	X8,085,104	Sampson AFB	17 Aug 1954

The addition of the serial number on the top of the receiver forward of the rear sight indicates
the serial number behind the rear sight was obscured by an adjustable rear sight.

Inland	Winchester
4 Digits: 0001- 0835 5 Digits: 00001-00900	5 Digits: 01701-07545

Inland	Winchester
6 Digits: 000001-unknown (also used standard s/n's)	used standard s/n's

Serial Number stamped Twice

If an adjustable rear sight obscured the serial number, Ordnance personnel were authorized
to also stamp the number on top of the receiver between the rear sight and bolt.

Other Letters

Inland 30 Carbine Serial Numbers

Should you have questions, assistance is available on our Discussion Forum.

The Discussion Forum also serves as a reference desk for the more advanced material that could easily overwhelm a website and is often subject to opinions that may vary
due to a lack of original documentation. A number of researchers and authors are present on the forums, helping others and seeking information for various research projects.

Inland M1 Carbine Serial Number Date Of Manufacture 2020

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