Try this at home, without live ammo of course. If too fast, predetonation could occur. If too slow, the bolt may not close. So a balance is designed, in the best case. Not until John Garand's magazine design for the T31 was adopted, with its single lip arrangement, was the problem solved.
People play golf in thunderstorms all the time.
Almost no one gets hurt. But, we've all heard about that cruel lightning strike, if we listen to the news. They all dent the primer on loading. From left to right, an unfired primer, a dimpled primer, and a fired primer. Indeed, the original Garand firing pin was redesigned to reduce slam fire by lightening the firing pin, even when fed as designed, by a clip.