Hornady Subsonic ammunition is specifically optimized for maximum performance in America's favorite modern sporting rifles. This load uses the innovative Hornady Sub-X (Subsonic eXpanding) bullet. The Sub-X features a hollow point design with long groves in the jacket and a flat Flex Tip top produce reliable expansion at lower velocities. Engineered for near perfection in flight and extreme accuracy specifically optimized for maximum performance in America's favorite modern sporting rifles;Sub-X features a hollow point design with long groves in the jacket and a flat Flex Tip top produce reliable expansion at lower velocities.Specifications:Boxes Per Case: 10Bullet Type: Sub-XBullet Weight: 175 grBullet Weight: 175Casing Material: BrassModel: SubsonicMuzzle Energy (ft lbs): 428Muzzle Velocity: 1050 fpsRounds Per Box: 20