Product Description Fiocchi Range Dynamics Subsonic .300 Blackout ammunition is built for shooters who want consistent, match-grade accuracy at the range. This load features the renowned Sierra MatchKing 220 grain boat tail hollow point projectile and is manufactured at Fiocchi&&';;s state-of-the-art facility in Ozark, Missouri. With reliable components and precision-focused bullet design, it&&';;s an excellent choice for high-accuracy target shooting and practice, including subsonic use. Product Highlights Subsonic .300 Blackout load with Sierra MatchKing 220 grain boat tail hollow point (HPBT) bullet Precision-focused MatchKing projectile design (thick jacket, improved boat-tail, long ogive) Brass case, Boxer primed, non-corrosive, and reloadable for reliable performance Convenient 25-round box packaging (also commonly sold as 20 boxes per 500-round case) Approx. 1,020 fps muzzle velocity (manufacturer/retailer listed) for subsonic applications Specs Brand: Fiocchi Ammunition Manufacturer Part Number: 300BLKMB UPC: 762344711690 Cartridge/Caliber: .300 Blackout (.300 AAC Blackout) Bullet Weight: 220 gr Bullet Type: Sierra MatchKing Boat Tail Hollow Point (BTHP/HPBT) Muzzle Velocity: 1020 fps Muzzle Energy: 508 ft-lb Case Material/Type: Brass (reloadable) Primer Type: Boxer Corrosive: No Rounds Per Box: 25 Country of Origin: USA 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.