Nosler Trophy Grade ammunition is high quality production-run ammunition manufactured to strict tolerances and inspected as it is hand-packaged. Trophy Grade features Nosler Custom brass and the dependable high performing bullets you know and trust. Partition Bullets feature a fully tapered jacket that ruptures instantly at the thin jacket mouth yet the gradual thickening along the bullet’s axis controls expansion and curls the jacket uniformly outward at high or low velocities. Nosler’s integral partition supports the expanded mushroom and retains the rear lead alloy core. – Caliber: 300 Winchester Magnum – Bullet Type: Partition – Bullet Weight: 180 gr – Muzzle Energy: 3477 ft / lbs – Muzzle Velocity: 2950 fps – Rounds Per Box: 20