I am thinking about getting into either PRS or NRL in the next year or 2. I have some good reloading and shooting experience but had a couple questions. What gear is essential to purchase in order to compete besides a rifle? (front/rear bags, bipod, tripod, etc.) Would it be tough to go out to my first match with out any knowledge of the competition? Are people generally friendly enough to help out and direct you in the right direction? How many loaded rounds should I bring to my first match? Zero rifle in at 100 or 200yrds?