Israeli manufacturer FAB Defense offers a complete PDW conversion kit for the Five-seven, designated the KPOS G2 FN 5.7, that allows the pistol to be reconfigured into a shoulder-fired personal defense weapon, and CornerShot offers a weapon system compatible with the Five-seven that allows the shooter to aim and fire around corners without being exposed.
Izraelski proizvođač FAB Defense nudi kompletnu opremu KPOS G2 FN 5.7 za konverziju Five-seveN-a koja omogućuje pištolju da bude rekonfiguriran u "oružje osobne obrane", CornerShot nudi oružni sistem kompatibilan s Five-seveN-om koji omogućava strijelcu da cilja i puca iz raznih kutova bez da bude izložen.