Rugers offering is just a fancied up 10/22 so that is lame to me. S&W seems fine but I don't like the plasticy feel to it. Plus removing the forend is a pain.
So basiclly I am of no help.
You can make a spanner wrench out of a piece of pipe in a few minutes I've been told.
Don't pick a fight with an old man. If he is too old to Fight, he'll just kill you.