The Second Amendment is not about the right to shoot; it is about the right to shoot back.
Put differently, the Second Amendment is about killing tyrants. All the other legitimate uses of "arms" are just along for the ride. Also, the Second Amendment isn't about guns. It's about rocks, pointed sticks, knives, swords, spears, slingshots, bows, rifles, pistols, shotguns, hand grenades, artillery, rockets, airplanes, tanks, ships, lasers, phasers, photon torpedoes ...