Norma Ammunition Self Defense NXD 45 ACP 20 Per Box/ 10 Cs. 45 ACP Number of Rounds: 20 Bullet Type: Monolithic Bullet Weight: 230 grain Cartridge Case Material: Brass Application: Self-Defense Included Accessories: None Primer Style: Centerfire Case Material: Brass Package Contents: Norma Self Defense NXD 45 ACP Pistol Ammunition What is Norma Self Defense NXD 45 ACP Pistol Ammunition good for? The manufacturer suggests that it is best for self-defense.Norma Ammunition 611540020 Self Defense NXD 45 ACP