Federal's Power-Shok Rifled Slug ammunition is designed for hunting applications, providing accuracy and power. The 20-gauge rifled slug is suitable for use in smooth bore barrels. With a muzzle velocity of 1600 fps, this ammunition offers reliable performance. The soft lead slug delivers good expansion, making it an effective choice for hunting. Federal's Power-Shok slugs are available in boxes of five rounds. Fast shipping ensures that you receive your order quickly. Key Benefits and Features: Caliber: 20 Gauge. Type: Rifled Slug. Length: 2.75". Ounces: 3/4 oz. Muzzle Velocity: 1600 fps. Rounds Per Box: 5. Casing: N/A. UPC: 029465009953.