Would Modern Weapons Kill Dinosaurs?

But if you shoot it with a rifle round, then you're going to kill it. I suspect the same would be true of dinosaurs.” But just as the bullet size matters, so does the dinosaur. One particular dino could have withstood gunfire more effectively than others: a tank-like creature called the Ankylosaurus.

Would a 50 BMG kill at Rex?

0.5 BMG sniper rifle probably can kill the dinosaur in a few shots, but this is again won't be a reliable kill. Shoulder-fired anti tank missile have the greatest chances of killing a large dinosaur in one shot.

Can a bullet kill a T. rex?

Crippling a T. rex, even if you're skillful enough to hit its fast-moving legs, is difficult due to its thick bones. So you need to shoot to kill. The critter has a massive skull clad in dense muscle protecting a relatively small brain case, making a head shot pretty tough.