for the hammer, I always try to go best available when I can. And that means NDZ!
Try to get your hands on a NDZ ram assmebly w/SS hammer. Or better yet, a rat hole!
that woudl be your best best IMO. But between brass and aluminum...you have to go aluminum. Brass is so 2004! lol
like, omg i know, right becky? lol but seriously thanks a lot guys. I feel that I have enough spare parts lying around for me to get the weight just right.