I think that's 1967. Has grooves along the top of the receiver, right?
You did good and very nice find. It looks nice. These things are still out there.
Yes, March 1967 is correct. [ read the numbers backwards ] I like those that were made along that time. Did you get it working, yet ? If you did, thank you for bringing it back to life & " adopting it from that homeless shelter !"
That's the beautiful great condition rifle you thought " looked too old " ? Glad you saw the error of your ways and went back for it, you got a great one there.
I have a "67 Streak, it is my favorite pumper. Resealing a 342 and a Streak is the same job, they have virtually identical internal parts. A couple of simple tips to save trouble on either one: Wrap a strip of duck tape around the valve tool so it just fits inside the tube. This makes it easier to align the valve nut threads on reassembly. If there is a lead seal stuck in front of the exhaust valve guide, leave it there.
Wow that's nice. You will have fun when you get it going. I have a Silver streak and I love it. It's the newer one from the 90's