Product Description Winchester USA centerfire rifle ammunition is built for training and extended range sessions where reliable cycling and consistent performance matter. This M193 load features a 55 grain full metal jacket (non-expanding) projectile and brass casing, delivering dependable function and good accuracy while helping reduce barrel leading during high-volume shooting. Product Highlights 5.56x45mm NATO M193 load optimized for target shooting and practice 55 grain full metal jacket (FMJ) bullet for non-expanding training performance Brass-cased centerfire rifle ammunition designed for positive functioning 200-round value pack ideal for extended range sessions Manufactured by Winchester as part of the USA ammunition line Specs Brand: Winchester Ammo Series/Line: USA Load/Series: M193 Cartridge: 5.56x45mm NATO Bullet Weight: 55 grain Bullet Type: Full Metal Jacket Case Material: Brass Rounds Per Box: 200 Boxes Per Case: 4 UPC: 020892224421 Manufacturer Part Number: WM193200 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.