Winchester Ammo USA M193 5.56x45mm NATO 55gr Full Metal Jacket 1000 Round Box

The Winchester USA M193 is a bulk 5.56x45mm NATO rifle load built around a 55 gr Full Metal Jacket bullet seated in a brass case. Loaded to 3180 fps and producing 1306 ft lbs of muzzle energy, this is the classic M193 profile for high-volume target shooting and range use.

Packaged as a single 1000-round bulk box, this Winchester USA load is built for shooters who run high round counts through their 5.56-chambered rifles. The USA line delivers consistent components and reliable ignition at a value-oriented price point, making this bulk load a practical choice for range training and plinking.