M1 carbine serial number dating
Serial numbers ran alphabetically then numerically, when 999 was reached the next serial number started at the next letter and again ran 001-999.
So far, no carbines have been found that start with the letters I or Q.
All but one of those undated barrels were made by Inland." I riesch's book, U. m1 Carbines, Wartime Production, he also indicates that most, but not all, barrels were dated.
And to be perfectly clear, the twelfth barrel was made by Brown-Lipe-Chapin.
I have even seen late production (1945) Inland carbines with no markings at all on the barrel behind the front sight. Barrel dates seen on carbines in that serial number range vary from 2-43 to 7-43 with 5-43 being the most common.
The barrel on the OP's carbine appears to be one manufactured by Inland and is probably original to the weapon. Not sure how original it is, but the barrel is also an undated Inland. M1 Carbine with early features/m1carbine010-1.jpg M1 Carbine with early features/m1carbine011-2Mike D, Nice looking carbine. Barrel dates seen on carbines in that serial number range vary from 2-43 to 7-43 with 5-43 being the most common. There were many spring tube carbines found in that serial number range.. While most Inland barrels were dated, not all were.
It has nearly the same markings as the Inland Barrels, including "INLAND MFG. Some barrels have just the last two digits of the year (i.e. The reason why some barrels are missing the date or the month is unknown.
It could be something as simple as the date stamping machine was not working properly.
Serial numbers were hand stamped one digit at a time and are often not aligned with one another horizontally and/or vertically. Serial numbers started with the Millville Ordnance and H&S carbines were continued into the Plainfield carbines and consisted of a letter followed by three numbers.Markings and their location are discussed in detail on the pages devoted to Carbines, Parts, & Markings.Amongst the first 1500 numerical serial numbers the letter A was sometimes added after the numbers and in at least one instance the letter P was observed instead of the A. If you are interested in a rough production date, post the serial number and I'll let you know. Two things don't sound right in that statement. I don't recall ever seeing a 1942 vintage, Inland carbine with an undated barrel.2. A 1942 vintage Inland would have a black oxide (blued) finish on most parts, including the barrel and receiver. Fox/154574/114Keep in mind that this rifle may have been parked at some point in it's service life, or even after it left military service and entered private hands.Flip sight, high wood stock, two hole upper handguard, it appears to have a flat bolt...
I am interested in seeing more photos of the OP's carbine. The Ordnance dept did have the free barrel program to ensure that there were enough barrels to support all the prime contractors. There were many spring tube carbines found in that serial number range.. For example, the Carbine Club Newsletter #348 from 1 March 2008 reports this: "Most Inland barrels are dated.....