I took the plunge and settled on the Parker Buckbuster 175. Liked the feel and it was in my price range. Now I need the goodies. Its all new to me so need some advice. Carbon or aluminum bolts. Would like to use carbon for hunting so should I use carbon for practice. What grain field points and broadheads. Owners manual says to use 100 grain. Can I use 125 grain since bow is pushing 330 fps. Should I also use the same grain broadhead. I also don't know anything about fixed or mechanical. Guess I also need a rope cocker. One more silly question. Manual says to use half moon nocks. I saw some Easton bolts at a local shop that appeared to have the half moon but they also had a small channel in the middle of the nock. What does this do. Sorry for all the questions but I gota learn and this is a good forum for that.