Winchester Defender Handgun 410 Bore 225 grain 2.5in Centerfire Shotgun Ammo 20 Rounds. 5" Shotgun Ammunition: Manufacturer: Winchester Gauge: .410 Number of Rounds: 20 Shot Size: BB Shell Length: 2 1/2 in Muzzle Velocity: 750 ft/s Application: Personal Defense Included Accessories: None Shotgun Shot Weight: 1/2 oz Shot Material: Nickel-Plated Lead Primer Style: Centerfire Shotgun Pellet Count: 12 Cartridge Case Material: Brass Lead Free: No Bullet Type: Bonded Jacketed Hollow Point (BJHP) Package Type: Box Caliber: .410 Bore Bullet Weight: 225 grain Features of Winchester DEFENDER HANDGUN 410 Bore 225 grain 2.5" Centerfire Shotgun Ammunition: 3 Plated Defense Disc Projectiles 12 Plated BB's Bonded Hollow Point Bullet Notched Jacket for Six-Segment Expansion Package Contents: Winchester DEFENDER HANDGUN 410 Bore 225 grain 2.5" Centerfire Shotgun Ammunition What is Winchester Defender Handgun 410 Bore 225 grain 2.5" Shotgun Ammunition good for? The manufacturer says that it is suitable for personal defense.Winchester S41045PD: Defender Combo Pack .410 Bore 2.5in Length 3DD & 12BB Shot/ .45 Colt Bonded Jacketed Hollow Point 225 grain Handgun Ammo 20 Rounds