The discussion opens by addressing a joking idea of a KRISS Vector chambered in 12 gauge or .50 BMG, then shifts into the real history of KRISS USA. The company was originally known as Transformational Defense Industries (TDI) before rebranding to KRISS USA. It has been around for decades and is best known for the Vector platform. The Vector is described as a distinctive firearm that many shooters appreciate for its unique appearance and design. KRISS is portrayed as a manufacturer that listens to end-user feedback, whether from law enforcement agencies or civilian shooters who spend time at the range.
Early generations of the Vector drew criticism for ergonomics, particularly the original safety selector, which could dig into the trigger finger during firing. KRISS responded with a new generation that improved the ambidextrous safety, making it more comfortable. The Vector uses the Super V recoil system built on a direct blowback operating principle. The bolt travel is relatively short because the platform uses pistol cartridges, but the recoil assembly and buffer move downward into the receiver during cycling. This downward movement of mass counteracts the natural upward recoil impulse, resulting in a softer, more controllable shooting experience, especially noticeable at higher rates of fire.
The conversation notes that TDI once explored applying the Super V recoil technology to a 12 gauge shotgun and even a .50 BMG platform. The idea of a .50 BMG Vector is described as an interesting concept that would have showcased the recoil mitigation system on a much more powerful cartridge. However, these projects were reportedly canceled around 2009 and have not resurfaced publicly since. The segment suggests that if KRISS ever revisited such designs, they would likely still be working through engineering challenges related to managing recoil and overall practicality in those large calibers.
KRISS is highlighted for expanding the Vector line into additional calibers and configurations. Beyond common chamberings like .45 ACP, 9mm, 10mm, and .40 S&W, there was mention of a .357 SIG option at one point. To help shooters save on ammunition costs, KRISS now offers a .22 LR Vector and the DMK, a rimfire carbine patterned more like a standard carbine-style rifle. The Vector platform is described as modular to an extent. The lower portion of the firearm is the serialized component, while the upper chassis can be swapped, allowing users to change configurations while retaining the registered lower receiver.
An enhanced Vector model is discussed, including a .22 LR carbine version previously used in a giveaway collaboration. This configuration features a long barrel shroud with a faux suppressor at the muzzle, giving the carbine an extended profile without an actual suppressor. It also uses a telescoping stock instead of a folding stock, though KRISS offers multiple stock and brace configurations depending on user preference. Another example shown is the SDP SB variant, which incorporates a brace and a folding mechanism that locks solidly in place and is released by pressing a button. The folding system is described as simple and more user-friendly than some other folding stock or buffer systems.
The Vector is characterized as compact but relatively heavy for its size, coming in just under seven pounds. Despite the weight, it balances close to the shooter’s body, giving it a feel somewhat reminiscent of a bullpup in terms of weight distribution, even though it is not a bullpup design. This makes it comfortable to hold for extended periods compared to some other firearms. The example discussed has a 6.5-inch barrel in pistol form, with longer-barreled carbine versions naturally inducing more fatigue over time. The platform is noted as not particularly left-hand friendly. Most controls are oriented for right-handed use, with the ambidextrous safety being the main exception. Ejection remains on the right side, and a true left-handed version would likely require significant redesign of the upper and bolt.
The enhanced Vector pistol shown includes an extended rail that supports accessory mounting. In the giveaway configuration, it carries an angled foregrip and a SureFire Mini light. The rail incorporates M-LOK slots, allowing users to reposition accessories higher or lower by moving or replacing short Picatinny sections. The charging handle folds forward to stay out of the way and is non-reciprocating, reducing the chance of interference during firing. The bolt release is easy to actuate but can be inadvertently pressed depending on hand placement. The Vector is described as very enjoyable to shoot, particularly when firing rapid strings or full-auto with an appropriate trigger pack installed. The Super V system is said to be most appreciated when shooting fast, even in .45 ACP, where recoil remains surprisingly manageable.
The closing segment focuses on control layout critiques, especially the magazine release. The current design places the release where the support hand naturally rests, allowing the shooter to push it down to drop the magazine. While functional, it is viewed as less efficient than a more conventional button-style release located near the trigger finger. The distance from the trigger area makes a fully ambidextrous, mirrored control challenging. The commentary suggests that an ideal redesign would provide a truly ambidextrous magazine release that both right- and left-handed shooters could operate easily, while acknowledging that the existing geometry of the Vector receiver complicates such changes.
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