Berry's .223/5.56mm 55gr Full Metal Jacket Boat-tail bullets come with the most consistent jackets and are built around the tightest tolerances, making them the go-to round for the modern 5.56mm/.223 hand loader. Available now in their 1500 round MiniCan combo as well as 500 and 5000 round packaging at amazing prices! Grain weight: 55gr Diameter: .224a ^2 Bullet OAL: .745a ^2 COAL: 2.225a ^2 Ballistic Coefficient: .245 Sectional Density: .157 **THIS IS NOT LOADED AMMUNITION**