SinterFire Special Duty Self-Defense 10 mm 125 Grain Hollow Point Frangible Brass Cased Pistol Ammo 20 Rounds. This SinterFire Ammunition features Hollow Point Frangible (HPF) bullets that deliver powerful stopping power superior accuracy and predictability. With premium brass cases loaded with hollow point frangible (hpf) bullets you ll deliver best results for self-defense. With daily deals on Ammunition and other top-tier pistol ammo from trusted brands like SinterFire you re sure to find the best round for your next outdoor adventure or training session. Stock up today to save big on ammunition and other top-tier tactical hunting and outdoor gear at OpticsPlanet. Specifications for SinterFire Special Duty Self-Defense 10 mm 125 Grain Hollow Point Frangible Brass Cased Pistol Ammunition: Manufacturer: SinterFire Caliber: 10mm Auto Number of Rounds: 20 Bullet Type: Hollow Point Frangible (HPF) Bullet Weight: 125 grain Cartridge Case Material: Brass Muzzle Velocity: 1350 ft/s Application: Self-Defense Package Type: Box Primer Style: Centerfire Lead Free: Yes Package Contents: SinterFire Special Duty Self-Defense 10 mm 125 Grain Hollow Point Frangible Brass Cased Pistol Ammunition What is SinterFire Special Duty Self-Defense 10 mm 125 Grain Hollow Point Frangible Brass Cased Pistol Ammunition good for? The manufacturer says that it is best for self-defense.SinterFire SF10125SD-200: Special Duty Self-Defense 10 mm 125 Grain Hollow Point Frangible Brass Cased Pistol Ammo 20 Rounds