Re: Missing pieces
Hey Paul,
I don't have a 25 (I have a 26) but a good place to get info is on the Macgregor Owners Forum.
It's connected to Sailboat Owners Forum.
It's pretty active, and there are a lot of 25 owners on there. I think Blue Water Yachts, sells the older mac stuff. I don't know if they would have a boom though. But as you say, you can get diminsions and start from scratch.
Good luck with the project. Those are pretty popular on the west coast, and there are a few locally down here too.
Jim