Remington Model 121 Fieldmaster

{{Infobox weapon

|name= Remington Model 121

|origin= {{flag|United States}}

|type=Rifle

|is_ranged=yes

|designer= C. C. Loomis
G. H. Garrison

|design_date=

|manufacturer= Remington

|production_date= 1936–1954{{cite web|title=Model 121 Fieldmaster Pump action Rimfire|url=http://www.remington.com/products/archived/rimfire/pump-action/model-121-fieldmaster.aspx|publisher=Remington Arms|access-date=25 December 2012|url-status=dead|archive-url=https://web.archive.org/web/20130512092249/http://remington.com/products/archived/rimfire/pump-action/model-121-fieldmaster.aspx|archive-date=12 May 2013|df=dmy-all}}

|number= 199,891

|variants= see variants

|weight=

|length=

|part_length=

| cartridge =

• .22 Short
• .22 Long
• .22 LR

| cartridge_weight =

| caliber =

| barrels =

| action = Slide-Action

| rate =

| velocity =

| range =

| max_range =

| feed = Under-barrel, 14-20 rounds.{{cite book|last=Quertermous|first=Steve|title=Modern Guns: Identification and Values|year=2001|publisher=Collector Books|location=Paducah, KY|isbn=1574321994|pages=287|edition=13th}}

| sights =

}}

The Fieldmaster 121 series is a .22 caliber, slide action, tubular magazine-fed rifle manufactured by Remington Arms between 1936 and 1954.

{{cite web

|title = Firearm Model History - Remington Model 121 Fieldmaster

|publisher = Remington Arms Company

|url = http://www.remington.com/library/history/firearm_models/rimfire/model_121.asp

|url-status = dead

|archive-url = https://web.archive.org/web/20090604005546/http://www.remington.com/library/history/firearm_models/rimfire/model_121.asp

|archive-date = 4 June 2009

|df = dmy-all

}}

{{cite web

|title = Firearm Model History - Rimfire Rifles

|publisher = Remington Arms Company

|url = http://www.remington.com/library/history/firearm_models/rimfire_rifles.asp

|url-status = dead

|archive-url = https://web.archive.org/web/20060221082502/http://www.remington.com/library/history/firearm_models/rimfire_rifles.asp

|archive-date = 21 February 2006

|df = dmy-all

}}

The Sportmaster 121 has a 25" barrel, a one piece hardwood stock, and a blued metal finish. It was replaced by the Model 572 Fieldmaster in 1955.{{cite web|title=Model 572 Fieldmaster Pump Action|url=http://www.remington.com/products/archived/rimfire/pump-action/model-572-fieldmaster.aspx|publisher=Remington Arms|access-date=26 December 2012|url-status=dead|archive-url=https://web.archive.org/web/20130512113659/http://remington.com/products/archived/rimfire/pump-action/model-572-fieldmaster.aspx|archive-date=12 May 2013|df=dmy-all}}