Intratec TEC-DC9
Overview
 
The Intratec TEC-DC9 is a blowback-operated, semi-automatic
Semi-automatic firearm
A semi-automatic, or self-loading firearm is a weapon which performs all steps necessary to prepare the weapon to fire again after firing—assuming cartridges remain in the weapon's feed device or magazine...

 firearm
Firearm
A firearm is a weapon that launches one, or many, projectile at high velocity through confined burning of a propellant. This subsonic burning process is technically known as deflagration, as opposed to supersonic combustion known as a detonation. In older firearms, the propellant was typically...

, chambered in 9×19mm Parabellum, and classified by the U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives
Bureau of Alcohol, Tobacco, Firearms and Explosives
The Bureau of Alcohol, Tobacco, Firearms and Explosives is a federal law enforcement organization within the United States Department of Justice...

 as a handgun
Handgun
A handgun is a firearm designed to be held and operated by one hand. This characteristic differentiates handguns as a general class of firearms from long guns such as rifles and shotguns ....

. Designed by Intratec
Intratec
Intratec was a firearm company based in Miami, Florida. The company's most famous product was the TEC-9.- History :Intratec began as Interdynamic USA, an offshoot of Swedish firearms manufacturer Interdynamic AB. Due to the lack of firearm market in Sweden, Interdynamic AB set up a subsidiary in...

, an American offshoot of Interdynamic AB
Intratec
Intratec was a firearm company based in Miami, Florida. The company's most famous product was the TEC-9.- History :Intratec began as Interdynamic USA, an offshoot of Swedish firearms manufacturer Interdynamic AB. Due to the lack of firearm market in Sweden, Interdynamic AB set up a subsidiary in...

, it is made of inexpensive molded polymer
Polymer
A polymer is a large molecule composed of repeating structural units. These subunits are typically connected by covalent chemical bonds...

s and stamped steel parts. Magazines with 10-, 20-, 32-, -50 and upwards of 72-rounds are made. The three models are referred to as the TEC-9, although only one model was sold under that name.

First, Swedish company Interdynamic AB of Stockholm designed the Interdynamic MP-9
Interdynamic MP-9
The Interdynamic MP-9 is a blowback-operated, fully automatic 9 mm caliber firearm, classified by BATF as a machine gun. It is made of inexpensive molded polymer and stamped steel parts. 10, 20, 32, 36 and 50 round magazines are available....

 9mm submachine gun.
 
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