Fuel your AR-15 with the range-proven consistency of Winchester 5.56x45mm NATO 62 Grain FMJ ammunition. Engineered to military-style standards for high-volume practice, training, and target shooting, this USA-made ammunition delivers reliable feeding, clean combustion, and repeatable accuracy in every magazine. Key Features & Specifications 62-Grain Full Metal Jacket (FMJ): Features a balanced, medium-weight projectile that offers enhanced flight stability and consistent ballistic performance downrange. Factory-Fresh Reloadable Brass Cases: Built with high-quality, anneal-marked brass casings designed for smooth cycling, positive extraction, and extended brass life for reloader enthusiasts. Reliable Primer & Clean-Burning Powder: Formulated with non-corrosive Boxer primers and clean-burning propellants to reduce fouling and maintain optimal action performance. 5.56x45mm NATO Specification: Loaded to full military pressures, ensuring dependable operation across all standard 5.56 NATO semi-automatic and automatic rifle platforms. Muzzle Velocity: ~3,060 FPS (feet per second) providing flat trajectories and short transit times to targets. Backed by decades of American manufacturing heritage, Winchester USA white box ammo represents the ultimate balance of affordability, durability, and standard-issue reliability. The 62-grain FMJ load provides a slightly heavier flight profile than standard 55-grain rounds, making it an excellent choice for stabilizing out of standard 1:7 and 1:8 twist rifle barrels during tactical training and range days.