M1 Garand Serial Numbers by month and year ..numbering..
The stamps were put on the rifles to show that 3 things had been done:
1. Checked for working condition
2. Fired with proof round and checked for damage
3. Accepted by the Ordnance Department
The maker's mark and Ordnance wheel went on the left side of the stock below the back end of the receiver. The circled 'P' went on the pistol grip halfway between the trigger guard and bottom.
Edited by sniper1946, 25 October 2010 - 11:29 AM.