A lead-free projectile having a metal jacket (10) with a tip in the form of a truncated parabellum. The metal jacket (10) is partially filled with cold-pressed metal powder (18), the remainder of the metal jacket being filled with metal-filled polymer (26). The metal-filled polymer (26) extends through...http://www.google.es/patents/US7607394?utm_source=gb-gplus-sharePatente US7607394 - Lead-free projectiles
