Rules for the Smith-Parker Challenge and Hammer Gun Challenge are posted in the Southern sticky in Shows, Events. Rules for the 8 gauge event are posted in the 8 gauge thread.
http://parkerguns.org/forums/showthr...634#post188634
http://parkerguns.org/forums/showthr...631#post188631
There are no substantive changes in the rules, other than there being one qualifying round of 50 birds, instead of two qualifying rounds of 30 each. The second field will be available for 25 bird practice.