Daredevil (1964) #146

"Duel!" – (17-page story) – Matt tries to stop Bullseye from robbing a gun store and gets beaned in the head with a golf ball, wrecking his radar sense. Bullseye takes over a TV studio and challenges Daredevil to fight him. Daredevil has to take down the master marksman with his radar sense fading in and out.