USA Brand ammunition is the ideal choice for training-or extended sessions at the range or in the field. As you'd expect, USA Brand Centerfire Ammunition features high quality and reliability at an economical price. Symbol: USA40SW Caliber: 40 Smith & Wesson Bullet Weight: 165 Grains Bullet Type: Full Metal Jacket-Flat Nose Velocity in Feet Per Second: - Muzzle: 1060 - 50yds: 1001 Energy (Foot Pounds): - Muzzle: 412 - 50yds: 367 Manufactures Website Address www.winchester.com Warranty Information Warranted against manufacturers defects.