Product DescriptionHEVI-Bismuth shotshells deliver hard-hitting, non-toxic performance for waterfowl and other hunting applications. With bismuth shot that is 22% denser than steel, HEVI-Bismuth helps maintain lethality downrange and can allow stepping down a shot size versus steel for similar performance. Designed to be safe in both modern and classic shotguns, these 10 gauge 3 1/2 inch loads feature #4 bismuth shot at a 1 3/4 oz payload and a 1,350 fps muzzle velocity.Product Highlights Non-toxic bismuth shot that is 22% denser than steel for strong downrange lethality Compatible with modern and classic shotguns for broader field use 10 gauge 3 1/2 inch shells with #4 shot size for waterfowl hunting 1 3/4 oz shot charge for effective pattern density 25 rounds per box (10 boxes per case)Specs Brand: Hevishot Model/Line: HEVI-Bismuth Gauge: 10 Gauge Shell Length: 3.50 in (3 1/2 in) Shot Material: Bismuth Shot Size: 4 Shot Charge (Payload): 1 3/4 oz Muzzle Velocity: 1350 fps Rounds Per Box: 25 Boxes Per Case: 10 UPC: 816383002421 Manufacturer Part Number: HS15504Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.