The Home Defender Rubber Slug load is intended for serious defensive use. The Rubber Slug is the most energetic of the Home Defender loads. Its rigid design will not deform on impact . The Rubber Slug will hold its velocity and energy over greater distances and has greater penetration potential. Though the Home Defender line of products is geared towards ‘room distance’ encounters, the Home Defender Rubber Slug load is effective at much greater distances. Some level of injury should be expected and can range from serious injury or death to painful welts or bruising. Results can vary based on the weapon used, distance to target, clothing, body weight and part of the body hit. For Cylinder or Improved Cylinder bores ONLY.