I was off by two years in my previous post. I dug out my certificate for my FBI instructor's school. It was July 1981 when I took the course. SA Cal Darst and SA JJ Jensen from the Anchorage office had just returned from the FBI instructor's school in Quantico. The showed us their newly issued three inch 13s. At the time fixed sight guns were thought of as poor man's guns. Everybody in the class considered the 13s a step backward for the FBI as the Model 66 was considered the ultimate cop gun back then.

A third instructor, SA Billy Andrews was on FBI swat so he had the coveted NIS four inch round butt Model 19 with the yellow front sight. It wasn't a 66 but it was pretty cool with the grip adapter and all. He tried to buy the gun when he retired but they made him return it to Quantico. It's probably a pencil holder now.