TDI Kriss Super V™ submachine gun (USA)


TDI Kriss Super V™ submachine gun, prototype
Image: Transformational Defense Industries, Inc. (TDI)


TDI Kriss Super V™ submachine gun, prototype, disassembled into basic components
Image: Transformational Defense Industries, Inc. (TDI)


Caliber .45 ACP
Weight, empty 2,18 kg prototype
1,8 - 2,0 kg target for production gun
Length (stock folded / opened) 406 / 635 mm
Barrel length 140 mm
Rate of fire 800 to 1100 rounds per minute
Magazine capacity 13 rounds (28 round magazine is being developed)
Effective range 100 meters

Kriss Super V™ submachine gun is an interesting experimental weapon which is currently (spring 2007) under advanced stages of development. The name Kriss comes from Indonesian sword or large knife with flame-like blade. This weapon is intended to provide operators with improved control over accuracy and bullet dispersion, in both semi-automatic and full automatic modes, while firing hard-hitting .45 ACP ammunition. The overall design also permits the Kriss to be fired single-handedly when required by tactical situations and with adequate accuracy. To achieve those goals, Kriss Super V™ submachine gun employs three basic solutions. First is to place the axis of the recoil force in line with the firing hand, thus minimizing the muzzle climbing. Such system was previously employed in Olympic-class small-bore pistol developed in Russia and was subsequently banned from international ISU competitions because of extremely high accuracy, which made completion "unfair". The second solution is probably more novel, as it uses a laterally moving weight, attached to the breechblock (bolt), to divert recoil forces to the bottom direction. The third solution is actually a part of the second system, and it employs a variable-angle track in the weight (#510 on diagram above), which puts a breechblock at a mechanical disadvantage during earlier stages of recoil, thus slowing down the movement of the bolt while pressure in the barrel is still high. As a result of these measures, Kriss Super V™ submachine gun has significantly less muzzle climb when compared to most modern submachine guns. This results in better accuracy and better grouping of hits on target, providing operators with greater lethality during short-range and short-time encounters.

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