HSM Trophy Gold Extended Range centerfire rifle ammunition is engineered for hunting applications. It is loaded with heavy 300 gr Berger Hybrid Tactical Open Tip Match projectiles that deliver a muzzle velocity of 2400 ft/s and a muzzle energy of 3838 ft lbs. This round features premium brass casing material for consistent cycling and reliable performance. Caliber 338 Win Mag, 20 rounds per box. Safety Note Always exercise proper firearm safety procedures and ensure your firearm is specifically rated for heavy 300 gr rifle rounds.