Hornady Critical Defense .45 ACP +P Flex-Tip Pistol Ammo 20 Rounds. 45 ACP +P Flex-Tip Pistol Ammunition online at OpticsPlanet. This Hornady Ammunition features bullets that deliver powerful stopping power superior accuracy and predictability. With great promotions on Ammunition and other superior rifle ammo from trusted brands like Hornady you re sure to find the ideal cartridge for your field or range use. Stock up today to save big on ammo and other top-tier tactical hunting and outdoor gear at OpticsPlanet. Specifications for Hornady Critical Defense .45 ACP +P Flex-Tip Pistol Ammunition: Manufacturer: Hornady Caliber: .45 ACP Bullet Weight: 185 grain Bullet Tip Material: Polymer Package Contents: Hornady Critical Duty 45 Acp+p 185gr Flexlock 20rd 10bx/cs Hornady 90923: Critical Defense .45 ACP +P Flex-Tip Pistol Ammo 20 Rounds