Each X-Point Defense round comes equipped with Browning s new X-Point technology. The process guards the formed metallic hollow point from becoming obstructed. The resulting formed metallic hollow point offers consistency, toughness and reliability. Product Features X-Point Technology Guards hollow point for consistent expansion and penetration Rapidly transfers energy to target Formed metallic hollow point for consistency, toughness and reliability Product Specifications Caliber: 40 SW Bullet Weight: 180 gr Bullet Type: X-Point Defense Muzzle Velocity: 1020 fps Muzzle Energy: 416 ft-lbs Quantity: 20 Rounds per box