Help with High Power Sporting Rifle

[El Gringo Burrito]

Hello. I realized I probably wouldnt get too many responses on the young shooters forum, so i came here. Im only 14 and i would like to try out the sport of High Power Sporting Rifle. I cant find alot of info about it since it is such a small subdivision of High Power Rifle. Does anybody compete in this? If you do, about how to get started would be great. I live in SoCal. Also, would a Howa 1500 in 30-06 with a Redfield 3-9x40 scope be a good starter gun?