The correct presentation would be to have the action open, finger off the trigger, and pointing either straight up or straight down. Like this:
As Mary Katharine Ham observes at Hot Air:
I really do hate to be a stickler, but if there’s one thing to be a stickler about, the basic rules of gun safety while you’re in an ad for alleged advocates of gun safety is a pretty good choice. Forgive me if I don’t feel like giving up my rights as a law-abiding citizen to a billionaire mayor who can’t instruct his recruits to keep their booger hooks off the bang switch. But by all means, continue to make laws without knowing jack about your subject. It always works so well.
And these are the people who want to run your lives, led by a man who still harbors a desire to run for president.