Ammo Specifications Caliber: 7.62x39mm Product Line: Bronze Weight (grains): 123 Bullet Type: FMJ Quantity: 20 rounds per box The popular Bronze Line ammunition makes it possible for recreational shooters and riflemen to enjoy high performance velocity and accuracy in a cost-effective cartridge. Take advantage of PMC Bronze Line s affordability for any situation that involves high-volume shooting without compromising downrange results. Bronze Line ammo bridges a gap for target shooters or hunters who get genuine pleasure from challenging themselves, shot after shot, to become better marksmen. The Bronze Full Metal Jacket cartridges incorporate a lead core bullet enclosed in a heavy copper jacket, resulting in little or no expansion and deeper penetration of the bullet. FMJ is practical and popular for target shooting and many hunting applications where increased penetration is required.