Sears Bolt Action Center Fire Rifles
| Ident. No. | Model | Caliber | Roll Mark Date | |
| 583.90 | 50 | .30-06 | 3/25/51 | |
| 583.91 | 50 | .270 | 3/25/51 | |
| 583.92 | 50 | .30-06 | _/_/__ | |
| 583.93 | 50 | .270 | 9/28/51 | |
| 583.94 | 50 | .270 | 9/28/51 | |
| 583.95 | 50 | .270 | _/_/__ | |
| 583.96 | 50 | .30-06 | 9/28/51 | |
| 583.97 | 50 | .30-06 | 9/28/51 | |
| 583.98 | 50 | .30-06 | 9/28/51 | |
| 583.99 | 51 | .270 | 12/22/5_ | |
| 583.100 | 51 | .30-06 | 12/22/5_ | |
| . | ||||
| 583.126 | 52 | .222 | _/_/55 | |
| . | ||||
| 583.5100 | 51L | .30-06 | ||
| 583.5101 | 51L | .270 | ||
| 583.5102 | 51L | .308 | ||
| 583.5103 | 51L | .243 |
A typical roll mark will read:
J. C. HIGGINS, MODEL 50, SEARS, ROEBUCK AND CO. 583.93
and is usually rolled on the left side of the barrel just forward of the receiver.
Taken from data on sheet 4 of 5 compiled by J. J. Reardon __ 1/28/77
Transcribed by John J. Stimson, Jr. __ 6 April, 2002
Released _____ 6 April, 2002, Revised ___ 28 December, 2003
© John J. Stimson, Jr. 2002, 2003