Product DescriptionFrontier Cartridge .300 Blackout ammunition is built for reliable range and training performance with a 125-grain full metal jacket (FMJ) bullet. Designed for a wide range of shooters and applications, these centerfire rifle cartridges deliver a published muzzle velocity of 2,175 feet per second and come packed 20 rounds per box. Military-grade style loading and quality control help provide consistent function and accuracy, and the brass-cased, Boxer-primed design is reloadable and non-corrosive.Product Highlights .300 AAC Blackout (7.62x35mm) centerfire rifle ammunition for training, range, and general-purpose shooting 125 grain Full Metal Jacket (FMJ) bullet for dependable feeding and target use Rated 2,175 fps muzzle velocity (16" test barrel reported by retailer data) Brass case with Boxer primer; non-corrosive and reloadable (per retailer specifications) Convenient 20-round boxSpecs Brand: Frontier Cartridge Manufacturer Part Number: FR400 UPC: 090255713978 Caliber: .300 AAC Blackout Bullet Weight: 125 gr Bullet Type: Full Metal Jacket (FMJ) Muzzle Velocity: 2,175 fps Muzzle Energy: 1,313 ft-lbs Case Material: Brass Primer Type: Boxer Corrosive: No Reloadable: Yes Rounds Per Box: 20 Country of Origin: United States of AmericaDisclaimer: 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.