The Kahr K9 9mm is among the leaders of the new breed of mini-9s that have taken both the law enforcement and civilian concealed carry market by storm. This semi-automatic 9mm pistol has an OAL of 6 inches, a height of 4.5 and a slide width of .9 inches, specifications that make the K9 highly concealable. The K9 is also a reasonably lightweight gun, weighing 25 ounces, with a respectable maximum capacity of 7+1.