Winchester Defender 9 mm Luger +P 147 Grain Bonded Jacketed Hollow Point Centerfire Pistol Ammo 20 Rounds S9 mmPDB2. Our innovative bonding process welds the jacket to lead core for improved penetration 1.5x expansion and the proven performance you rely on when the stakes are high. Specifications for Winchester Defender 9 mm Luger +P 147 Grain Bonded Jacketed Hollow Point Centerfire Pistol Ammunition: Manufacturer: Winchester Caliber: 9mm Luger Number of Rounds: 20 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 147 grain Cartridge Case Material: Brass Muzzle Velocity: 1030 ft/s Muzzle Energy: 346 ft-lbs Application: Personal Defense Package Type: Box Included Accessories: Standard Primer Style: Centerfire Lead Free: No Gun Type: Handgun Package Contents: Winchester Defender 9 mm Luger +P 147 Grain Bonded Jacketed Hollow Point Centerfire Pistol Ammunition Winchester S9 mmPDB2: Defender 9 mm Luger +P 147 Grain Bonded Jacketed Hollow Point Centerfire Pistol Ammo 20 Rounds