Originally Posted by diablo
I am trying to find out the year and caliber of a U.S. revolver model 61273. This is all the markings except the grips are plastic with US stamped on them.
Welcome to the forum diablo, but Iver Johnson made several types and sizes of U. S. revolvers:
Does it break open to load or load through a slot on right side?
Chamber of a .38 will be about 3/8" diameter, a .32 about 5'16"
Look for a number with letter prefix under left grip.