Kaizen LeapFrogger is a select fire PDW using either HK's 4.6x30 or FN's 5.7x28 armour piercing ammunition, with a short stroke piston gas system and an intentionally simplistic design. The 5.7 version outsells the 4.6 version by a 3:1 ratio.
Designer: Kaizen Corp.
The 5.7 version is pictured
Weight: 5 lbs (around 2.26 kg) (unloaded). 5. lbs (around 2.54 kg) (loaded)
Barrel length: Around 225mm
Length: Around 550 mm with stock extended
Caliber: FN 5.7x28, HK 4.6x30. Both armour piercing
Capacity: 50 round curved box magazine
Accuracy: Above average
Firing Mode: Safe, Semi-automatic, Fully automatic
Effective range: Around 200 yards
1st Generation GC Concept
This was a one off 4 barreled concept using the scaled down version of the Kaizen KMH7 mechanism and chambered for FN's 5.7x28mm PDW round. Spent rounds are ejected from the right after making a 3/4 clockwise (from user's POV).