Standard US military SMG during WWII, the Thompson is rugged, reliable and easy to use. The M1928 version, of gangster fame, was less reliable (UR), but could carry a 50 round drum magazine.[1][2]

References

  1. PONDSMITH, M. Cyberpunk (Friday Night Firefight). 1st ed. Berkeley CA; R. Talsorian Games, 1988 (pg.15)
  2. PONDSMITH, M. Cyberpunk 2020. 2nd ed. Berkeley CA; R. Talsorian Games, 1990. (pg.66)