Winchester Ammunition USA 5.56x45mm NATO 55gr FMJ M193 - 600 Round Case

The Winchester USA 5.56x45mm NATO load is a high-volume, range-ready round built to the standard M193 military specification. Manufactured by Winchester Ammunition, this 600-round case lot delivers consistent, dependable performance for AR-platform rifles, training courses, and general range work.

Each round fires a 55-grain full metal jacket (FMJ) bullet at a published muzzle velocity of 3,180 fps, loaded in reloadable brass cases. The M193 profile is purpose-built for 5.56x45mm NATO chambers, making it a practical pick for high-volume shooters who want real savings for stocking the range bag or filling the ammo locker.

This bulk case ships as 4 sealed boxes of 150 rounds for a total of 600 rounds, giving shooters an economical way to keep the magazine fed and the training session running.