Product Description Migra Ammunition&';s 4/6 Stack Load Steel Shotshells deliver maximum versatility and superior downrange performance for the dedicated waterfowl hunter. Built with patented stack-load technology, these non-toxic 12 Gauge, 3-inch shells uniquely combine two shot sizes -- #4 and #6 -- in a single shell to maximize bulk density for higher kill ratios and more concentrated shot patterns. Small-batch manufacturing in the USA ensures consistent quality and precision in every round, with no fillers -- just pure premium steel shot engineered for clean, ethical harvests. Product Highlights Patented Stack Load Technology: Combines #4 and #6 steel shot in one shell, increasing versatility and effectiveness across a wide range of waterfowl hunting scenarios. 95% Pattern Retention: Advanced wad design maintains tight, uniform shot patterns at extended distances for a decisive edge in the field. Non-Toxic Steel Shot, No Fillers: 100% steel construction with no fillers ensures full compliance with waterfowl hunting regulations while delivering consistent, powerful performance. High Muzzle Velocity: At 1,515 feet per second, these shells produce fast, flat trajectories and hard-hitting energy for reliable results at range. Made in the USA: Small-batch production guarantees consistent quality and pattern uniformity in every box. Specs Brand: MIGRA AMMUNITION Gauge: 12 Gauge Shell Length: 3" Shot Type: Stack Load Shot Material: Steel Shot Sizes: 4/6 Payload: 1 1/4 oz Muzzle Velocity: 1,515 fps Rounds Per Box: 25 Boxes Per Case: 10 Country of Manufacture: USA UPC: 850081504061 MPN: M12AS46 Disclaimer: 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.