that is beyond fake.
he aims well above the paper/board at the beginning, the number of nails on target vs the amount of times the trigger is pulled doesn't match up, I have never seen a belt of nails that long, and the biggest giveaway:

look at the belt of nails, you can see how it is digitally done because there are kinks, then all of a sudden they straighten out or disappear and you can even tell it was added into the video.