HSM Game King centerfire rifle ammunition is expertly engineered for big game hunting applications. Loaded with premium 200 gr Sierra GameKing Spitzer Boat Tail projectiles, these high-performance rounds achieve a powerful muzzle velocity of 2950 ft/s. Utilizing high-quality brass casing material, this ammunition is built to ensure uniform chambering, optimal pressure retention, and exceptional downrange accuracy under demanding field conditions. Caliber 300 RUM, 20 rounds per box. Safety Note Always prioritize safe firearm handling protocols and strictly observe your local and state hunting regulations regarding permissible calibers.