KRISS Vector

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KRISS Vector
Vector CRB Carbine
Type Submachine gun
Place of origin  United States
Service history
Used by Users
Production history
Designed 2006
Manufacturer KRISS USA, Inc.
Produced 2009-present
Variants SMG (submachine gun),[1] CRB/SO (carbine, special ops),[2] SBR/SO (short barrel rifle, special ops),[3] SDP (special duty pistol)[4]
Weight 6 lb (2.7 kg) (SMG & SBR/SO)
7 lb (3.2 kg) (CRB/SO)
Length 24.3 in (620 mm) (SMG & SBR/SO)
16 in (410 mm) w/stock folded
34.8 in (880 mm) (CRB/SO)
26.5 in (670 mm) w/stock folded
Barrel length 5.5 in (140 mm) (SMG, SBR/SO, SDP)
16 in (410 mm) (CRB/SO)
18.6 in (470 mm) (CRB/SO @ Canada)[5][not in citation given]

Cartridge .45 ACP (11.43x23 mm)
Action Delayed blowback, closed bolt
Rate of fire Prototype: 1,500 rounds per minute
Vector SMG: 1,200 RPM[6]
Civilian models: semi-auto only
Effective firing range 55 yards (70 yards with 16 inch barrel)
Feed system 10 & 13-round detachable box magazine
25-round w/optional "MagEx 25+" extension[7]
Sights Flip-up iron
MIL-STD-1913 rail provided for optics

The KRISS Vector[8] series is a family of weapons based upon the parent submachine gun design developed by KRISS USA. They use an unconventional delayed blowback system combined with in-line to reduce perceived recoil and muzzle climb.


The Vector's action, the KRISS Super V System (KSVS), is an articulated mechanism which allows the bolt and an inertia block to move downward into a recess behind the magazine well.[9][not in citation given] The theory is that at the end of this travel, energy is transmitted downward rather than rearward. On return, however that downward force is negated by upward force. The Vector family of weapons is the first to use this action. .40 S&W and 9×19mm Parabellum variants were mentioned when the gun was first released. Gen 2 variants with multiple design changes and 9mm were confirmed at the 2015 SHOT show.[10] The firearm was designed to accept standard Glock 21 pistol magazines. When fired, the barrel axis is in line with the shoulder as in the M16 rifle, but also in line with the shooter's hand. This is intended to reduce muzzle climb when combined with the off-axis bolt travel.

left view of Kriss Vector Carbine
Right view of Kriss Vector Carbine stock folded
Front and Rear Sights Kriss Vector Carbine.


The selective fire submachine gun variant, the Vector SMG features a 5.5 inch barrel, folding stock, flip-up Midwest Industries back-up iron sights (BUIS), Picatinny rails, and three-mode selective fire (single, two-round burst, full-auto).

Three semi-automatic versions are produced for the US Market. The Vector CRB is the semi-automatic carbine with a 16-inch (410 mm) barrel. The standard model has a folding stock (fixed in states where state law prohibits). The Vector SBR is a short-barreled version featuring the 5.5" SMG barrel but it is not capable of full automatic fire. The Vector SDP is a pistol version that has a permanently affixed cap with a sling mount in place of a folding stock. An enhanced version is sold with a full-length picatinny rail on top as well as an M4 carbine style collapsing stock in place of the folding stock.

A second generation version of the Vector called the K10 was announced at SHOT Show 2011.[11] This is a slightly more compact weapon based on the same Super V system. The main difference is the use of a telescopic stock that collapses into the upper receiver rather than the earlier folding stock. The cocking handle operates downward instead of horizontally. The K10 was not displayed after SHOT 2013 and its status is unknown.

KRISS is also developing a semi-automatic pistol called the "KARD", using the Super V System in a much smaller package to minimize recoil and muzzle rise in 9mm Parabellum and .45 ACP calibers. It will not have a blowback slide; instead it has a T-shaped cocking handle on the rear.[12]



  1. ^ "KRISS Vector SMG .45 ACP (LE & MIL only): The next generation of SMG for law enforcement & military operators". KRISS USA. Retrieved 30 November 2012. 
  2. ^ "KRISS Vector CRB .45 ACP: Discover the civilian version of the KRISS Vector Carbine". KRISS USA. Retrieved 30 November 2012. 
  3. ^ "KRISS Vector SBR .45 ACP: The KRISS Vector SBR is the semi-automatic version of the submachine gun (SMG)". KRISS USA. Retrieved 30 November 2012. 
  4. ^ "KRISS Vector SDP .45 ACP: The SDP is the pistol version of the KRISS Vector". KRISS USA. Retrieved 30 November 2012. 
  5. ^ "Please select your region". KRISS Arms. Retrieved 30 November 2012. 
  6. ^ "Technology". KRISS USA. Retrieved 14 February 2013. 
  7. ^ "Firearms accessories / Magazines". KRISS USA. Retrieved 30 November 2012. 
  8. ^ "Products". KRISS Arms. Retrieved 30 November 2012. 
  9. ^ "Press reviews". KRISS Arms. Retrieved 1 December 2012. 
  10. ^
  11. ^ Crane, David (4 February 2011). "KRISS K10 Super V Vector XSMG Multi-Caliber Submachine Gun (SMG) and DEFIANCE Silencers/Sound Suppressors: Redesigned and Improved .45 ACP/9mm/.40 S&W Subgun for Special Operations Forces (SOF) and Close Quarters Battle (CQB) Applications (SHOT Show 2011 Photos!)". Featured, Personal Defense Weapons, Special Operations, Submachine Guns. 
  12. ^ "The KRISS KARD: New pistol from KRISS Systems". The Firearm Blog. 16 April 2010. Retrieved 14 December 2012.  |first1= missing |last1= in Authors list (help)
  13. ^ a b

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