As a first time participating new target. . .what are the rules again?!?!?!

You know, max mag capacity, what caliber spud gun is legal,
level of armor required, how large of outboard is legal, helmet with full face shield or not. . .. .etc. . .
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Due to a minor mishap, I now have 15# balls. . . ...

Decisions are made by those who show up.

"Shallow men believe in luck. Strong men believe in cause and effect." Ralph Waldo Emerson