Can you name the movie from the gunfire?

You've heard of the shot heard around the world, right? Well here are 21 shots that rang out in cinemas across the decades. From assault rifles to laser guns, each is distinctive in its own right - but you might have to listen very carefully.

www.empireonline.com/features/guess-the-movie-gunfire/

I got 5 lol

3; 2,4 and 16 T_T

In my defence I think some are before my time xP

Got five, 1,4,16,19,20 all classic LOL
EDIT: Got nine but that's about it: 1,4,5,6,11,13,16,19,20