The Next Generation of rifle ammunition has arrived with the 6.8x51MM Hybrid Ball. The 113gr solid copper rounds were designed specifically to pair with your 6.8X51 MCX SPEAR rifle exiting the 16 barrel at 3200 FPS. The Hybrid Case Technology harnesses the power of the high-pressure rounds to deliver magnum performance in a short action cartridge resulting in a flatter trajectory and increased energy on target. – Compatible with CROSS rifles chambered in .277 SIG FURY. – Hybrid Case Technology allows for increased muzzle velocity/energy compared to traditional brass – Flatter trajectory and increased energy on target for magnum performance in a shortaction cartridge – Solid Copper 113gr projectile – Developed for the U.S. Military’s Next Generation Weapon Systems – 20rd cardboard boxes packed in a 460-round Ammo Can – Caliber 6.8 X 51 – Grain Weight 113 Grain – Qty Per Package 20 – Test Barrel Length (in) 16.0 ± 1/16 – Muzzle Velocity 3200 fps – Muzzle Energy 2569 ft-lbs – Ballistic Coefficient (G1) .330 – Case Type Hybrid