Originally Posted by WS6
Traditional Foster slugs are very poor penetrators on hard objects, and game-animals alike. I have actually had one fail to penetrate more than 2 milk-jugs in a row filled with water.
Fosters may not be good against half inch steel plate but they are good at penetrating car bodies. Also, there must be a reason why they are considered good insurance while in bear country. Good penetration of tissue and bone is needed when facing an angry bear.