The relation between caliber and pistol is as direct as the relation between oxygen and life. But with so many kinds of pistol calibers available in the market, you must be wondering about the best pistol caliber.  It is not a close-ended term. The best pistol caliber depends on the purpose of use of the handgun. The service could be self-defense against enemies, home security, concealed gun carry; there needs to be a proper equilibrium between various aspects of the round.   This balance determines the best purpose caliber for guns. It is not an easy ...   read more