Winchester USA Lake City Features The Winchester USA Lake City .223 Remington load is manufactured at the famed Lake City facility the same source long associated with producing reliable military-specification ammunition for the US armed forces. Each round sends a 55 grain full metal jacket bullet downrange at 3270 feet per second generating 1306 foot pounds of muzzle energy for flat predictable trajectories on the range. Brass cases paired with boxer primers keep ignition consistent round after round which matters when running drills or training classes that depend on uniform performance. The .223 Remington chambering lets this load run through the wide range of AR-platform and bolt-action rifles already in common use. Packaged as a 1000 round case this ammunition is built for shooters who go through significant volume whether at high-round-count training classes league competition or simple range days with friends. The reloadable brass cases give shooters the option to recover and reuse components adding long-term value to every case purchased. Winchester s reputation for consistent quality control backs the Lake City line giving buyers confidence that every round in the case performs the same as the last. The Winchester USA Lake City .223 Rem case is a practical reliable choice for anyone burning through rounds in training or at the range. Winchester USA Lake City Specifications Manufacturer: Winchester Model: USA Lake City Caliber: .223 Rem Bullet Type: FMJ Grain: 55 gr Velocity: 3270 fps Energy: 1306 ft-lbs Case Material: Brass Primer: Boxer Rounds: 1000 Available At: GrabAGun