MODEL 121 FIELDMASTER
Description: Slide Action
Introduction Year: 1936
Year Discontinued: 1954
Total Production: Approximately: 199,891
Designer/Inventor: C.C. Loomis, G.H. Garrison
Action Type: Slide Action
Serial Number Blocks: Starting: 00001 - Ending: 201000
Caliber/Gauge:
.22 short, .22 long, .22 long rifle
.22 special WRF for 121 Special Grade
.22 long rifle shot cartridges for 121 Smooth bore (https://www.remington.com/model-121-fieldmaster)