SinterFire is known to be the industry leader for frangible munitions and these Special-Duty defensive rounds use that frangible technology to their benefit. These hollow-point projectiles impact with maximum stopping power but they also provide reduced ricochet from missed shots. The Special-duty bullet disperses all of its energy into a target meaning this is a safer cartridge if you have concerns about over-penetration. For home defense especially in apartments or condos Special-Duty defensive ammunition is a very safe choice. Sinterfire Special Duty Self-Defense 9mm 100 Grain HPMaximum stopping powerWill not over-penetrateMade in AmericaIf you are looking for a defensive 9mm choice but have serious concerns about the proximity of bystanders make sure to get ahold of a box or two of these Special-Duty SinterFire 9mm HPs. These defensive 9mm cartridges can help defend you and your family while ensuring your shots do not cause serious collateral damage by punching through walls. Looking for 9mm magazines for your 9mm pistol or pistol-caliber-carbine? We have a wide variety of 9mm mags here!Need 9mm FMJ or training ammo? Check here!