The PMC Bronze 50 BMG 660 Gr FMJ-BT ammunition delivers exceptional accuracy and reliability for target shooting and long-range applications. Featuring a 660-grain Full Metal Jacket Boat Tail projectile with a heavy copper jacket this cartridge is engineered to military-grade standards for consistent performance in .50 BMG rifles.PMC Bronze 50 BMG 660 Grain FMJ-BT ammunition10 rounds per box packagingMuzzle velocity of 2 950 fps from 36-inch barrelReloadable brass cases with non-corrosive Boxer primersBoat tail design for enhanced aerodynamic efficiencyBallistic coefficient of 0.701 G1 for superior long-range performanceManufactured by PMC (Precision Made Cartridges) to strict military specifications this ammunition provides reliable ignition and consistent accuracy shot after shot. The FMJ-BT design with its boat tail configuration ensures optimal ballistic performance making it ideal for precision shooting training and recreational use with Barrett McMillan and other .50 caliber platforms.