i have been shooting this bow for a little over a year now,and love it..... (bowtech...TomKat) i have recently removed my peep sight... I'm shooting 2 1/2" groups or better till about 20+ yds..... then i'm starting t lose acuracy pretty bad 6"-10" groups. i shoot the hostage rest,carbon arrows with 2.5" vanes...could i have a contact issue? any ideas guys?....[confused]