The personal choice of the firearm you carry makes a BIG difference in a self defense situation. Do you want to carry a Glock 19 with a standard 15 round magazine or a five shot .38 snub nosed revolver like I do? There is a big difference betwwen those two choices. Full sized handguns are HEAVY and a pain in the ass to carry so they get left in the safe when you journey to the store for milk. My .38 snub nosed revolver is so light you hardly realize you are carrying it so it is easy to take with you when you walk out the door.
With the Glock your can fill the air with lead. I only get five tries before I have to reload (unless I am carrying a second revolver). But you are responsible for every shot you fire.
It is very difficult if not impossible to carry a full sized pistol or revolver in your pocket. It is almost impossible to conceal a rifle or shotgun of legal length although it can be done. There are agents with the Secret Service who carry submachine guns. Note this picture from the Reagan assignation attempt.
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If you open carry in a holster on your belt you will have to draw your weapon to use it for self defense. However if you open carry it is wise to use a retention holster. That may slow your draw unless you practice, practice, practice. Plus in a bad situation, putting your hand on your gun would be seen as very aggressive and could start a fight.
Carrying a handgun concealed on your belt means you likely have an item of clothing to cover the weapon which often has to be moved out of the way in order to draw the weapon. A shoulder holster enables you to easily draw your weapon in a vehicle but is not as fast on the draw as other methods of carrying.
My method of pocket carrying offers a person the opportunity to put his hand on his gun in a bad situation without appearing overly aggressive. If you are using a weapon without an external hammer you can draw it very quickly. In the 25 years I have been carrying concealed there were several times I had my hand on my snub nosed revolver in my pocket. Fortunately I did not have to draw the weapon.
Unfortunately the drawback to pocket carry is you have to use a small handgun with less ammo than a mid or full sized weapon. Compact handguns are also harder to shoot accurately at a distance. However the average gun fight involves “three rounds shot at three yards in three seconds or less.”
How far apart does the typical gunfight happen? We analyze police and other data to determine the distance in this article.
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Another reason your choice of weapons makes a difference in defensive shooting is if for some reason I have to shove my snub nosed revolver into someone’s stomach it will still fire. A pistol will be pushed out of battery and will not fiire. That’s only reason my S&W .38 is called a belly gun.