Product DescriptionBuilt specifically for predator hunters, the Carlson&';s Coyote Ported Choke Tube delivers tight, devastating patterns at extended ranges. Machined from durable 17-4 stainless steel and tuned for larger shot sizes, this high-performance choke is designed for Winchester 12-gauge shotguns. It produces very dense patterns with T and #4 Buckshot and is suitable for use with Hevi-Shot, bismuth, or lead. Ideal for both predator and waterfowl applications. Note: not for use with steel shot.Product Highlights Designed for coyote and predator hunting with tight, long-range patterns Optimized for T and #4 Buckshot; effective to approximately 70 yards Ported, extended choke tube engineered for Winchester 12-gauge shotguns Rugged 17-4 stainless steel construction with corrosion-resistant black finish Compatible with Hevi-Shot, bismuth, and lead; not for use with steel shot Specs Product Type: Coyote Ported Choke Tube Gauge: 12 Gauge Compatibility: Winchester Material: 17-4 Stainless Steel Finish/Color: Black Ammunition Compatibility: Hevi-Shot, Bismuth, or Lead (not for steel shot) Included Accessory: Choke wrench UPC: 723189300401 Manufacturer Part Number: 30040 Brand: Carlsons 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.