The Hornady Critical Defense Pistol Ammo 40 S&W 165 gr Flex Tip eXpanding delivers reliable, controlled expansion and consistent performance in self-defense and home defense applications, using a 165 gr Flex Tip eXpanding bullet designed to resist setback and expand reliably at typical defensive velocities; with a muzzle velocity of about 1,175 fps and muzzle energy near 506 ft-lbs this round balances manageable recoil for follow-up shots with stout terminal performance for stopping threats, and the brass casing in a silver finish feeds smoothly in striker and hammer-fired pistols alike. As part of Hornadys Critical Defense series, this load emphasizes consistent expansion and barrier performance for concealed carry and bedside protection, and customers should note that due to supply constraints Hornady temporarily suspended nickel plating on the Critical Defense line a cosmetic change only that does not affect function or reliability. Ideal for shooters who want a duty-grade personal defense round from a respected brand, this Hornady 40 S&W loads are highlighted by the Flex Tip design for reliable expansion, consistent point-of-impact, and strong stopping power in compact and full-size handguns.