At the 2012 Shot Show, Heizer Firearms was introducing the smallest .45 caliber pistol that money can buy. It’s 5/8ths of an inch wide and weighs less than a pound.

Here a Heizer rep shows off the gun:

According to Heizer’s website, the DoubleTap is the world’s smallest and lightest .45 ACP concealed carry pistol on the market, and it has several patents pending. Two rounds can be stored in the gun’s chamber with two additional bullets in the grip. Here’s more info on the pistol from the press release:

SOURCE:  The Blaze