I agree with mjkeat on the Hornady TAP. Excellent round. Used extensively by law enforcement.
Plain old M193 ball is also an excellent defense round. The bullet will usually break apart at the cannulure on contact with something soft like tissue, and tumble. This increases wounding potential and decreases penetration.
History fails to record a single precedent in which nations subject to moral decay have not passed into political and economic decline. There has been either a spiritual awakening to overcome the moral lapse, or a progressive deterioration leading to ultimate national disaster.
If you think a strong military is expensive, think about what a weak one would cost