Federal Gold Medal, 223 Remington, 77 Grain, Open Tip Match, 20 Round Box Series Gold Medal Caliber 223 Rem Bullet Type Open Tip Match Bullet Weight 77 gr Muzzle Energy 1265 ft lbs Boxes Per Case 10 Rounds Per Box 20 Casing Material 20 Muzzle Velocity 2720 fps Unit Of Measure box