At my club I set up two main adult classes, Open and Top gun class.
Rules are as follows:
Top gun: any equipment, no limitations
Open: Should appear to be a hunting setup, Ie;
no stabilizers longer than 12 inches, no lenses, can have a movable sight as long as it is an hha style (again should appear to be a hunting sight). No real limitations on arrows and infact because blazers and quikspins are both prodoces as a hunting vane I dont have a problem w/guys shooting them.