Swift Scirocco II 30 Caliber .308 150 GR Spitzer Boat Tail SBT 100 Box. 308 150 GR Spitzer Boat Tail (SBT) 100 Box - Scirocco II with the Signature Black Tip is a superbly accurate hunting bullet designed for long-range efficiency. It carries velocity and energy better than any of its competitors. Its sleek design and high ballistic coefficient produces the flattest trajectory in downrange hunting making it a perfect match for long-range cartridges. The Scirocco II produces positive expansion at minimal velocities as well as controlled expansion and high weight retention at close range. No other tipped bullet offers the terminal range of Scirocco II. Specifications for Swift 821506 Scirocco II 30 Caliber .308 150 GR Spitzer Boat Tail (SBT) 100 Box: Manufacturer: Swift Bullet Company Bullet Type: Spitzer Boat Tail (SBT) Spitzer Bullet Weight: 150 grain Projectile Caliber: .30 Caliber Sectional Density: 0.226 Bullet Quantity: 100 Bullet Fabric/Material: Copper Package Contents: Swift 821506 Scirocco II 30 Caliber .308 150 GR Spitzer Boat Tail (SBT) 100 Box Swift 821506 Scirocco II 30 Caliber .308 150 GR Spitzer Boat Tail SBT 100 Box