The Hornady 357 Sig 147 Grain XTP Hollow Point ammunition delivers reliable performance with 1225 FPS muzzle velocity and 490 ft-lbs of energy. Featuring premium brass cases and proven XTP hollow point projectiles.Hornady 357 Sig 147 Grain XTP Hollow Point ammunition20 rounds per box with premium brass casings1225 FPS muzzle velocity for consistent performance490 ft-lbs muzzle energy for effective stopping powerXTP (eXtreme Terminal Performance) hollow point designEngineered for controlled expansion and penetrationIdeal for personal defense and law enforcement applications this ammunition combines Hornady's precision manufacturing with the proven terminal performance of XTP bullets.