Poor idea. A waste of resources for the average civilian in my opinion. Level IIIa body armor of the type typically worn by police will only defeat standard handgun rounds and shotgun pellets. Your average deer rifle...even Grandpa Joe's old lever action 30-30 that was made back in the late 1800's... will punch right through it. Body armor is heavy, uncomfortable, very expensive, and does nothing to protect the head or other areas of the body. If I have time during an emergency to locate and put on body armor, I have time to access a better weapon, call 911, and take cover in a more defensible position instead.