page_title: Kriss Vector
section_title: History
hierarchical_section_title: Kriss Vector / History
caption_attribution_description: Image via GunsHolstersAndGear.com This is a photo of shooting a new Kriss .45 ACP submachine gun (SMG) on display. This photo was taken at the Media Day at the Range event. The 2010 SHOT Show was held in Las Vegas, NV. The event is a trade show held annually to support the gun industry and is sponsored by the National Shooting Sports Foundation (NSSF). It is the largest gun show in the United States.
context_page_description: The Kriss Vector series are a family of weapons based upon the parent submachine gun design developed by the American company Kriss USA, formerly Transformational Defense Industries. They use an unconventional delayed blowback system combined with in-line design to reduce perceived recoil and muzzle climb.
context_section_description: In the spring of 2007, TDI announced their development of a new submachine gun. It was an experimental weapon under advanced stages of development at that time. The name Kriss comes from a Southeast Asian dagger with a flame-shaped blade.
  The second generation prototype of the Vector, called the K10, was announced at 2011 SHOT Show. It is a slightly more compact version of the Vector that is based on the same Super V system. The main difference is a redesign of the lower receiver intended for easy caliber interchangeability; utilizing just a single takedown pin, users can change between 9x19mm, .40 S&W and .45 ACP by mounting different lower receivers. This also brought a redesign of the charging handle, which now travels diagonally, almost vertically, and can be mounted on either side of the weapon. Other notable differences were a new telescoping stock instead of a folding one, and a four-sided accessory rail tube around the barrel.  The K10 was not displayed after SHOT Show 2013 and its status is unknown and likely has been canceled.
  Kriss announced "Gen II" versions of the original Vector models in 2015. These feature a redesigned pistol grip, trigger, safety selector, and compatibility with a new 9x19mm lower. These appear to have replaced the K10 prototypes, though no features from the K10 were carried over.
caption: Vector on a shooting range at the 2010 SHOT Show.
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