I have 400 rounds and about 300 are WINCHESTER White box 7.62x51 known 308 caliber. Other 100 rounds are mixed manufacture, each box is 16 dollars for 20 rounds for about 80 cents each round!! You must purchase 10 boxes or 200 rounds minimum for $160. Should you decide to purchase all 400 rounds that I have at $300 dollars. These rounds are in sealed water resistant plastic Ammo cans!!