Product DescriptionWinchester USA M193 centerfire rifle ammunition is a dependable choice for training and extended range sessions. This 5.56x45mm NATO load features a 55-grain Full Metal Jacket (FMJ) bullet designed for no expansion, smooth feeding, and positive functioning. Built for consistent accuracy and high-volume shooting, it comes sold by the case with 1,000 rounds.Product Highlights 5.56x45mm NATO M193 centerfire rifle ammunition ideal for training and target shooting 55-grain Full Metal Jacket (FMJ) projectile for no expansion and reliable cycling Bulk case of 1,000 rounds for extended range sessions and cost-effective practice Brass case with Boxer primer; reloadable design for shooters who save brass Engineered for good accuracy with minimal barrel leading during high-volume useSpecs Brand: Winchester Ammo Model/Line: USA M193 Caliber: 5.56x45mm NATO Bullet Weight: 55 gr Bullet Type: Full Metal Jacket (FMJ) Rounds Per Case: 1000 Muzzle Velocity: 3180 fps Muzzle Energy: 1235 ft-lbs Case Material: Brass Primer Type: Boxer Corrosive: No Reloadable: Yes Country of Origin: USA UPC: 020892225084 Manufacturer Part Number: WM1931000Disclaimer: 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.