Product DescriptionSellier & Bellot Tactical Ammunition in .300 AAC Blackout is built for consistent, reliable rifle performance with subsonic operation. This load features a 200-grain Full Metal Jacket (FMJ) projectile designed for smooth feeding and dependable function, making it a strong choice for training and range use-especially in suppressed setups. Packaged in a convenient 20-round box, it delivers a published subsonic muzzle velocity of approximately 1,060 fps.Product Highlights .300 AAC Blackout subsonic rifle ammunition tuned for reduced sound signature (ideal for suppressed use) 200-grain Full Metal Jacket (FMJ) bullet for reliable feeding and consistent range performance Published muzzle velocity of approximately 1,060 feet per second (fps) Reloadable brass case with Boxer primer (per retailer-provided specifications) 20 rounds per box for convenient stocking and training sessions Specs Brand: Sellier & Bellot Manufacturer Part Number: SB300BLKSUBA UPC: 754908512461 Cartridge/Caliber: .300 AAC Blackout Bullet Weight: 200 gr Bullet Type: Full Metal Jacket (FMJ) Muzzle Velocity: 1,060 fps (subsonic) Rounds per Box: 20 Case Material: Brass Primer Type/Style: Boxer Bullet Diameter: .308 in Ballistic Coefficient (BC): 0.138 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.