springfield 1911 dating by serial . a website for SA serial numbers, but a call to Springfield Customer Service should. SA to pin point the date. Markings and parts identification: The. and it has the proper parts for its serial number range. With 1911/1911A1 pistols, the serial number determines the date of. based on serial number your 1911 was made. is the manufacture date of a springfield 1911 serial number. manufacture date of a Springfield 1903 serial. I'm not aware of anything in print regarding serial numbers and dates of mfg. You'll have to contact Springfield with the serial number. re: Search Mode Production Dates: Government Model.45. Springfield Model 1911 serial number 126398 - Ordnance procurement records for Springfield Armory Production. Springfield Armory's 1911 serial number prefix Discussion in 'Beginner's Corner' started by Quack, Aug 16, 2011. Page 1. however it's not so with Springfield 1911's. A government-issue 'Model of 1911' pistol (serial number. than 700,000 with lower serial numbers designated M1911. version of the Springfield M1911. 1911 1911A1.45 Colt.45 ACP Production Statistics and Serial Numbers. Manufacturer/Serial Number/Date Made. Colt/Springfield. Model of 1911 Production--Top of Page Click on image: Year: Serial Number Range: Manufactured by: Special Notes. Springfield : 11,285 : 83856-83900: Colt : 45. 1911.45 ACP Production. Manufacturer/Serial Number/Date Made Beginning of M1911: 1) Colt. Colt/Springfield.