he Intratec TEC DC-9 'assault pistol', also known as DC-9, TEC-9, or, if manufactured after 1994, as AB-10, bears the dubious distinction of being one of the most widely used 'criminal' guns in USA. It was used in several mass murder cases, as well as in unknown, but definitely large number of street fights and other violent crimes. TEC-9 became 'famous' for its 'evil' appearance, large magazine capacity (which offered significant firepower), and for low price. Unsurprisingly, these features made TEC-9 very popular among various marginal types. For any serious or professional shooter this gun vas of little value - it was too big and heavy to be carried comfortably, it was too unreliable when firing anything but FMJ ammunition, and the accuracy with very crude fixed sights was about marginal.