There is more to choosing a gun for personal security than simple knock-down power. Knock down power simply refers to the answer to the question, “Can this gun stop a bad guy?” The usual way to calculate this is KINETIC ENERGY =1/2MV squared. WAIT!! Don’t tune us out because this seems ‘technical.’ It’s really quite interesting and also gives you a solid knowledge base for choosing a hand gun. In this formula M represents the mass of the bullet, and V represents the velocity of the bullet. However, sometimes the statistics don’t always translate into real-world actuality.
To address issues with this formula, John Taylor developed a new formula to help you figure the stopping power of your gun and ammo. But that’s not all that’s needed to make a wise choice.
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