Thanks guys. I'll look closely at both. I want to put this back together and that helps immensely.
I looked a little on tha interwebz and I believe it's a tc4 judging by all the blue anodized parts. Old and discontinued but probably still a good platform. Vintage, complete ones are kinda pricey on eBay,etc.
Once again, many thanks.
I hope this link works, I'm pretty incompetent at posting.