If bare hands is all you have.....
....... it beats hiding under a desk and waiting your your turn for your bullet in the head ..... at the very worst, you'll soak up more than one.
Fight Back. Everybody meets death ...... don't meet it whimpering under a desk. ....... who is it here that has that sig line : "Flip 'em the bird and die like a viking!" ?
TheGolden Rule of Tool Use: "If you don't know what you are doing, DON'T."