Best 12 Gauge Ammo for Home Defense; Best 32 ACP Ammo for Your Pocket Pistol or Backup Gun; Top 13 Best AR Calibers That Aren’t 5.56 NATO; Best Ammo for Smith and Wesson M&P 9mm Shield; Best 7.62x39 Ammo for Self Defense; Best 20 Gauge Ammo for Home Defense, Whitetail, and Upland Game; Best Ammo for 1911 45 ACP; Best 12 Gauge Ammo for Deer. 14 juin 2023 · Richard Mann The development of defensive handgun ammunition has been driven by the FBI since 1986. In that year, two FBI agents were killed, and five others were wounded in a single shootout in.