Why does the bottom of a bullet work on the screen of an iPhone?

The bottom of an unused 7.62×54 round( with a primer) is the only inanimate object I’ve ever found that works on the screen of my iPhone

The bottom of an unused 7.62×54 round( with a primer) is the only inanimate object I’ve ever found that works on the screen of my iPhone
Please add me: 3a2pfq. I will accept all. Thanks.
I coude not call can you hlep me?
http://iphoneanswer.com/iphone -world-war-codes-i-will-broadc ast-your-code/
my phones dne the same but i hold them in for 10 seconds and still no joy plz help
Yeah im having that problem too everyone says rejailbreak it but i did and after i downloaded rock and icy they both didnt work