50@28 - sweet! Keep in mind final shooting, sanding, and puttin on tru oil (or whatever) will steal a few of those pounds. You will still have a very nice killer though!!
Fire at least 100 arrows through that puppy and leave it braced for an hour or two; then have at it with increasingly finer grits of sand paper. Round the edges well. Your kicking butt, keep us posted!
I suggest looking at many handle exmples and take your time with one you like. Here one style that I've done and like for example.