Product Information Winchester USA NATO Ammunition 7.62X51MM (308 Winchester) NATO Ammo 147 Grain Full Metal Jacket 20 rounds per box/400 per case (Free Shipping) Details: Winchester NATO 7.61x51mm ammo for sale is a new production ammo that features 147 Grain FMJ bullet. This ammunition is non-corrosive, features boxer primer. Production year is 2012. ORDER A …