Originally posted by mark land: Been using Muzzy 125gr or 115gr 4bl heads since '92 with trad equipment and have killed many, many animals with them and they work great, just sharpen up the trocar tip on a diamond stone and no problems. Also use a heavy tip weighted carbon arrow and they do fine. Have taken deer, elk, bear, lot's of hogs, etc with them and no problems. Love being able to change out the blades as well and they work great.