The Hornady Critical Defense 40 S&W 165 Grain FTX ammunition is specifically engineered for concealed carry and personal protection applications. Featuring Hornady's patented FTX (Flex Tip eXpanding) bullet technology this premium self-defense round eliminates the tip clogging issues that affect conventional hollow points when fired through heavy clothing.Hornady Critical Defense 40 S&W 165 Gr FTX20 rounds per boxMuzzle velocity: 1 175 fpsMuzzle energy: 506 ft-lbsNickel-plated brass cases for enhanced visibilityLow-flash propellant reduces muzzle flashPatented FTX technology prevents hollow point cloggingThis ammunition delivers reliable expansion upon impact ensuring consistent performance through various barriers. Optimized for short-barreled defensive firearms the Critical Defense line provides the reliability and stopping power needed for personal protection situations.