The PAGC has a lot of control. Take semiautos for example. Originally it was state law that prohibited semiautomatics for hunting. Then the state repealed that law and the PAGC was given the authority to determine which types of game semiautomatics could be used for.

So the PAGC polled existing hunters to see if they what seasons they wanted semiautomatics to be allowed for. Naturally the existing hunters, predominantly Fudds, opposed semiautomatics being used for anything larger than a coyote, so the PAGC changed their intended plan that would've allowed semiautos for deer and such and ended up restricting semiautos to small game, varmints and predator control.