Product DescriptionFrontier Cartridge 5.56 NATO ammunition is loaded with Hornady bullets and built for a wide range of shooting applications, including plinking, target shooting, training, hunting, and self-defense. This load features a 55-grain Full Metal Jacket (FMJ) M193-style projectile designed for reliable feeding and consistent performance, with an advertised muzzle velocity of approximately 3,240 feet per second.Product Highlights 5.56x45mm NATO 55-grain Full Metal Jacket (FMJ) M193-style load High-velocity performance rated around 3,240 fps for flat-shooting capability Loaded with Hornady bullets for dependable consistency from box to box Brass-cased, centerfire rifle ammunition suitable for training and range use 150 rounds per box (case quantity information may vary by distributor listing)Specs Brand Name: Frontier Cartridge Cartridge: 5.56 NATO (5.56x45mm NATO) Bullet Weight: 55 grain Bullet Type: Full Metal Jacket (FMJ), M193 Muzzle Velocity: 3,240 fps Case Material: Brass Primer Style: Centerfire Rounds Per Box: 150 Units Per Case: 1,200 UPC: 090255712896 Manufacturer Part Number: FR2015Disclaimer: 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.