The Rifleman

The 60s television western, The Rifleman aired 169 thirty minute episodes on ABC from 1958 to 1963.

The story evolved around a rancher Lucas McCain played by Chuck Conners and son Mark starring Johnny Crawford, who he raised alone on his ranch near North Folk, New Mexico.  McCain's Winchester rifle was modified where he could fire a round in 3/10 of a second. His skill with his rifle helped the sheriff maintain law and order in the town.