So you are involved, and committed to buying a gun. Its probably for home defense as that's the case for most people and new gun owners. So, first you need to first know what gun you need to be considering and why. Different types of guns are for very different purposes so god forbid you want to go hunting deer and all you have is a small 9mm pistol. Listen to what I have to say because the source of where I am coming from makes a lot of sense and may save you wasting your time and money.