Underwood Ammo Rifle .338 Lapua Features The Underwood Ammo is loaded with nickel-plated brass for enhanced corrosion resistance and smoother feeding. The ammo s Boat Tail Hollow Point design maximizes aerodynamics delivering pinpoint accuracy essential for long-range shooting. With an energy delivery of 4857 ft-lbs and a muzzle velocity of 2700 fps these rounds deliver the performance expected by the most demanding marksmen. Underwood Ammo Rifle .338 Lapua Specifications Brand: Underwood Ammo Series: Rifle Caliber: .338 Lapua Magnum Bullet Weight: 300 Grain Bullet Type: Boat Tail Hollow Point (BTHP) Ballistic Coefficient: 0.8000 Case Material: Nickel Plated Brass Muzzle Energy: 4857 ft-lbs Muzzle Velocity: 2700 fps Rounds Per Box: 10 Boxer Primed: Yes Reloadable: Yes Lead-Free: No