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".45 submachine gun with unique proprietary recoil & muzzle climb mitigation system. Features a single, two-round burst, or full-Automatic fire selection."
— In-game description

The Vector .45 ACP is a submachine gun featured in Tom Clancy's Rainbow Six Siege. It was introduced in the Operation Velvet Shell expansion pack and is available for use by the Operator Mira.


The Vector SMG is a selective fire submachine gun developed by KRISS USA, formerly Transformational Defense Industries (TDI). It's the only weapon to feature full automatic fire mode in the KRISS Vector series. The Vector is popular for its unique delayed blowback operation which allows using weapon's high rate of fire with the minimum recoil.

In-game, the Vector has the highest rate of fire and lowest recoil of any submachine gun in the game. While those two points make for a great weapon, the Vector also has some drawbacks as well; it comes in the form of its magazine size and damage drop off.

As the Vector burns through ammo due to its high rate of fire, it might be a good idea to use other fire modes to both conserve ammo and be more accurate at longer ranges. Equipping a Vertical Grip will decrease recoil even further. While the Vector is very good for close quarters, it's still possible to empty the magazine with no kill confirmation. Equipping an ITA12S as secondary weapon will aid in those "close" situations.


  • Highest rate of fire for the submachine gun.
  • Very low recoil.
  • Burst and semi-auto modes allow for ammo conservation and engaging in medium-to-long ranges. Use corresponding barrel attachments to increase effectiveness.


Weapon Attachments

Under Barrel


  • This name has also been used in Far Cry and Watch_Dogs: two video game franchises also owned by Ubisoft.

Patch Changes


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