The Federal Black Pack 5.56x45mm 55 Grain Full Metal Jacket Boat-Tail ammunition is built for shooters who demand consistent performance over long training days. Each round features a reloadable brass case and a 55 grain FMJ boat-tail projectile engineered to deliver stable flight and reliable accuracy from modern AR-style rifles and other 5.56 NATO platforms.

This bulk-focused load is ideal for range use, drills, and extended practice sessions where predictable ballistics and clean, non-corrosive primers matter. With a factory-listed muzzle velocity of 3,165 fps and dependable Boxer priming, it offers a smooth shooting experience for zeroing optics, refining fundamentals, or casual target work, all backed by Federal’s long-standing reputation for quality ammunition manufacturing.

• Manufacturer: Federal
• Model: Black Pack 5.56x45mm 55 Grain FMJ-BT
• Caliber: 5.56x45mm NATO
• Bullet Type: Full Metal Jacket Boat-Tail
• Bullet Weight: 55 Grain
• Velocity: 3,165 Fps
• Case Material: Brass