After changing the German Weapons Act in 2003 and the use and possession of hollow point ammunition in Germany is now no longer prohibited. Who now wants to inform, as a legal gun owners, the subject, is provided on the best with this book. In addition to numerous technical papers on the subject, which also deal with latest types of bullets such as "EFMJ", also known empirical studies which identify the respective "effective" for each caliber ammunition found. Alone these percentages are even the purchase price of the book value! Who now thinks these figures are not trustworthy: Some calibers several hundred cases, directly from "the street" were evaluated. This certainly provides more than enough data to be able to make fairly accurate statements can, what works and what does not.