Remington’s line of Personal Defense ammunition is engineered to help you stop threats when everything depends Ultimate Defense Full-Sized Handgun ammo uses a Golden Saber BJHP bullet which expands and penetrates for massive knockdown power. From bullets specially designed for controlled expansion and optimal energy transfer to waterproofing and powders treated to reduce muzzle flash, its reliable stopping power stands ready for when you need it most. Specifications: 40 S&W/165 gr/Brass Jacket Hollow Point (BJHP)/20 Per Box/25 Cs