1943 No.4 Mk1* Enfield Rifle (Mfg by Savage)

Fortunately there is enough data in Owner’s Survey from another post on this site to determine how to link Production Dates to Serial Numbers (within a month’s accuracy)
Here’s the Survey Data:
0C1 - 1941 MKI lowest # 1941 date
0C2804 - 1941 MKI highest # 1941 date

0C3870 - 1942 MKI lowest # 1942 date
13C2752 - 1942 MKI highest MKI # 1942 date

13C2845 - 1942 MKI* lowest MKI* # 1942 date
36C1916 - 1942 MKI* highest MKI* # 1942 date

38C2632 - 1943 lowest MKI* # 1943 date
60C7797 - 1943 highest MKI* # 1943 date

51C7693 - no date lowest MKI* # with no date
0C63110 - no date highest MKI* # with no date
First, the Serial Number is the clue to the Production Volume.
For example, the serial number 96C1106 means the 961,106 gun off the production line.
This information tells us that:
1941 ~ 2,800 units produced, beginning July 22, 1941
1942 ~380,000 units produced
1943 ~445,000 units produced @36,500 units/month
1944 ~220,000 units produced, ending June 22, 1944
Total Production ~1,028,903 units produced
Assuming 1942 was a ramp-up year, full production was attained by mid 1942, and continued at full production throughout 1943, and then dropped down in the last 2 months of production (May-June 1944), we can project these serial numbers connected to these APPROXIMATE dates:
Jan 42 0C3800
Feb 42 1C1500
Mar 42 2C5000
Apr 42 6C4500
May 42 10C0000
Jun 42 13C4500
Jul 42 17C1000
Aug 42 20C7500
Sep 42 24C4000
Oct 42 28C0500
Nov 42 31C7000
Dec 42 35C3500
Jan 43 39C0000
Feb 43 43C6500
Mar 43 46C6500
Apr 43 49C9500
May 43 53C6000
Jun 43 57C2500
Jul 43 60C9000
Aug 43 64C5500
Sept 43 68C2000
Oct 43 72C8500
Nov 43 76C5000
Dec 43 80C0000
Jan 44 84C5000
Feb 44 89C0000
Mar 44 93C5000
Apr 44 97C5000
May44 0C50000
Jun 44 0C63000
Remember these approximations for reference. The data was derived from extrapolation, not Savage Production Data (which seems to be missing).
If anyone knows of better data, please share it with us on this forum. (I’m not a statistician, just used High School Math!)
Hope this helps shed some light on the serial number mystery.
Robert

Information

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I have two 1942 Savage N0.4 Mk.1 (not*)
S/N's 5C4190 and 5C6146

I own a Savage No.4 Mk1*, built late 1943, sn 79C2225. Re-issued out of the Allhabad Armoury in India with sn AL3089. The old rifle did get around!

I also own one made in mid-March 1944, sn 95C0895.