The U.S. Caliber .30 Carbines


Basics

The Caliber .30 Carbine Serial Numbers


The Basics Here
The U.S. Caliber .30 CarbinesThe Carbine ManufacturersThe Barrel ManufacturersParts, Variations & Markings
Carbine NomenclatureThe Serial NumbersThe Stocks & HandguardsPost WWII Ordnance Operations


U.S. Army Ordnance
Serial Number Assignments


By Prime Contractor

Prime ContractorStartEnd
IBM3,651,5204,009,999
 
Inland15
11999,999
2,912,5203,212,519
4,879,5265,549,921
6,219,6896,449,867
6,629,8847,234,883
7,369,6618,069,660
 
National Postal Meter1,450,0001,549,999
1,937,5201,982,519
4,075,0104,432,099
 
Quality Hardware1,550,0001,662,519
1,875,0401,937,519
4,432,1004,532,099
4,632,1004,879,525
 
Rock-Ola1,662,5201,762,519
4,532,1004,632,099
6,071,1896,099,688
6,199,6896,219,688
 
Saginaw (S.G.)3,250,0203,651,519
5,834,6196,071,188
 
Saginaw (S'G')/Irwin-Pedersen1,762,5201,875,039
3,212,5203,250,019
 
Standard Products1,982,5202,352,519
 
Underwood1,350,0001,449,999
2,352,5202,912,519
4,010,0004,074,999
6,099,6896,199,688
 
Winchester610
1,000,0001,349,999
4,075,0004,075,009
5,549,9225,834,618
6,449,8686,629,883
7,234,8847,369,660
 

Numerical Order

StartEnd Assigned Prime Contractor
15 Inland
610 Winchester
11999,999 Inland
1,000,0001,349,999 Winchester
1,350,0001,449,999 Underwood
1,450,0001,549,999 National Postal Meter
1,550,0001,662,519 Quality Hardware
1,662,5201,762,519 Rock-Ola
1,762,5201,875,039 Irwin-Pedersen/Saginaw (S'G')
1,875,0401,937,519 Quality Hardware
1,937,5201,982,519 National Postal Meter
1,982,5202,352,519 Standard Products
2,352,5202,912,519 Underwood
2,912,5203,212,519 Inland
3,212,5203,250,019 Irwin-Pedersen/Saginaw (S'G')
3,250,0203,651,519 Saginaw (S.G.)
3,651,5204,009,999 IBM
4,010,0004,074,999 Underwood
4,075,0004,075,009 Winchester
4,075,0104,432,099 National Postal Meter
4,432,1004,532,099 Quality Hardware
4,532,1004,632,099 Rock-Ola
4,632,1004,879,525 Quality Hardware
4,879,5265,549,921 Inland
5,549,9225,834,618 Winchester
5,834,6196,071,188 Saginaw (S.G.)
6,071,1896,099,688 Rock-Ola
6,099,6896,199,688 Underwood
6,199,6896,219,688 Rock-Ola
6,219,6896,449,867 Inland
6,449,8686,629,883 Winchester
6,629,8847,234,883 Inland
7,234,8847,369,660 Winchester
7,369,6618,069,660 Inland
 
 
 
 
 
 
 
 
 

"Odd", Altered, and Duplicate Serial Numbers

Things you should know:


X Suffix or Prefix


An X following the serial number indicates the serial number has a duplicate, with the X being using to identify one from the other. Not real common, may be collectible depending on a number of things.

An X alone in front of the serial number usually identifies the carbine as an experimental model or sometimes a carbine presented to an employee or someone else. Highly collectible, but sometimes forged.


Serial Number stamped between Rear Sight and Bolt


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.

Where and Who to turn to for More Information and Further Assistance

I wish I could help everyone, but with over 6 million U.S. Carbines and almost 1 million post war commercial carbines one person can't handle all the requests for assistance. However, there are a number of resources available that can answer any question you might have, including groups of knowledgeable collectors and shooters on discussion forums. The internet is ripe with experts on almost every topic, so you would be wise to get opinions from more than just one person.

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