Looking for help,please. My brother-in-law's bow shoots FPs to the right of where his BHs hit the target,causing him to resite his bow before hunts.the FPs and BHs are both 100gr.Anyone know how to correct this? Thanks.

It's a tuning issue. The bow and/or BH's aren't tuned properly. Is there any wobble in the broadhead when you spin the arrow? If there is, there shouldn't be.

If your bow is perfectly tuned, and your BH's are perfectly tuned, they should hit in the same spot... BUT, there is another school of thought here as well...If the BH's are grouping well, do what he's been doing and resight....But you should be able to tune that out..

Mobow is correct. For a better understanding of what he's talking about, go here http://www.eastonarchery.com/downloads.aspand download the tuning guide. Then follow the broadhead tuning section. This should help you out a little.