Berry's Superior 223/5.56 Cal 62gr Full Metal Jacket Boat Tail Reloading Bullets. 56 Cal 62gr Full Metal Jacket Boat Tail - The Berrys .223/5.56mm 62gr 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 1500 round MiniCan combo. Specifications for Berry's 37754 Superior 223/5.56 Cal 62gr Full Metal Jacket Boat Tail: Manufacturer: Berry's Manufacturing Bullet Type: Full Metal Jacket Boat Tail (FMJBT) Bullet Weight: 62 grain Projectile Caliber: .224 Caliber Diameter: 0.224 in G1 Ballistic Coefficient: 0.276 Sectional Density: 0.177 Number of Rounds: 1500 Berry's 37754 Superior 223/5.56 Cal 62gr Full Metal Jacket Boat Tail