Federal Personal Defense 12 Gauge 9 Pellets Shotshell Force X2 Centerfire Shotgun Ammo 10 Rounds PD12FX2 00. Its nine copper-plated 00 FX2 buckshot pellets are specially engineered to split into two equal-size pieces on impact. This creates up to 18 wound channels improves the transfer of energy from the payload to the target and minimizes the potential for over-penetration reducing the risk to bystanders. Force X2 is also loaded for more manageable recoil allowing the shooter to stay on target for faster follow-ups and better accuracy in a self-defense situation. Specifications for Federal Premium Personal Defense 12 Gauge 9 Pellets Shotshell Force X2 Shotgun Ammunition: Manufacturer: Federal Gauge: 12 Number of Rounds: 10 Shot Size: 00 Buck Shell Length: 2 3/4 in Muzzle Velocity: 1250 ft/s Application: Personal Defense Shot Material: Copper-Plated Lead Primer Style: Centerfire Shotgun Pellet Count: 9 Cartridge Case Material: Steel Lead Free: No Features of Federal Premium Vital Shok 12 Gauge 9 Pellets Personal Defense Shotshell Force X2 Centerfire Shotgun Ammunition 12-gauge 2-3/4 inch nine-pellet segmenting buckshot FX2 copper-plated buckshot pellets designed to split in half on impact Manageable recoil Up to twice the wound channels Less collateral damage risk from over-penetration Package Contents: Federal Premium Personal Defense 12 Gauge 9 Pellets Shotshell Force X2 Shotgun Ammunition What is Federal Premium Personal Defense 12 Gauge 9 Pellets Shotshell Force X2 Shotgun Ammunition good for? The manufacturer says that it is good for personal defense.Federal PD12FX2 00: Personal Defense 12 Gauge 9 Pellets Shotshell Force X2 Centerfire Shotgun Ammo 10 Rounds