Defensive Ammo: What Matters and What Doesn't? Get the Answers Here! Caliber controversies and endless debates swirl around handgun caliber and cartridge selection. In Choosing Handgun Ammo: The Facts that Matter Most for Self-Defense, Patrick Sweeney brings a clear voice of reason to the discussion, giving you the data and expert insight you need to choose the right ammo for your needs. In his usual entertaining style, Sweeney reveals: The truth about so-called "stopping power" What's the deal with +P ammo? The effectiveness of small calibers from .22 LR to .380 Auto for personal defense The best 9mm rounds for concealed carry Honest assessment of heavy hitters like .357 Magnum, .45 ACP and 10mm This comprehensive reference includes in-depth testing of ammo from a variety of makers. Experiments are explained in practical terms so you can choose not only handgun caliber, but also bullet type or make to meet your specific self-defense requirements. With all of the personal defense ammo choices today, Choosing Handgun Ammo gives you the data you need to make smart decisions when selecting concealed carry, home defense and personal protection guns and ammunition.