The K.S.C.W.P (Korinth Small Caliber Weapons Project) is a experimental weapons program initiated by Korinth Weapon Systems International to test micro bullets and there effectiveness on targets.
The project yeilded the X-546 a 3.42x16.8mm weapon that fires 1050 rounds per minute and has a 325 round box magazine. The magazine comes is filled with two double collumn rounds. Since the rounds were so small the weapon had very little recoil even in full auto. The weapon was able to peirce 4mm of steel at ranges of up to 35 meters and could mortally wound someone at ranges up to 42 meters. Only 503 were ever made and were sold to the countries Denmark, Sweden, Switzerland, Argentina and Chile.