Winchester’s Copper Impact features a large-impact-diameter Copper Extreme Point which expands immediately upon contact to deliver massive knockdown power. Its solid copper bullet design offers improved weight retention over standard jacketed lead-core bullets. – Gauge: 12 Gauge – Length: 2.75 – Weight: 1 oz – Muzzle Velocity: 1600 fps – Shot Size: Sabot Slug – Rounds Per Box: 5 – Boxes Per Case: 20