Jon, I knew you'd pick it up if I was incorrect. I felt the name didn't sound right and, CAL really rings a bell with me now. They were bought out by DIEMACO, the makers of the C7.
I vaguely remember doing an exercise on their property in the early 60s. Were you there?
And, I don't want to hear about the Firearms Act debacle again. Now I need a drink and don't have any in the house.