Product DescriptionBuilt for long-range predator and waterfowl performance, the Carlsons Coyote Choke Tube is engineered to deliver dense, consistent patterns at extended distances. Precision machined from durable 17-4 stainless steel and ported to help tighten patterns, this choke is designed for Remington shotguns that use the Rem-Choke system. It is optimized for larger shot sizes and works with Hevi-Shot, bismuth, and lead loads. Note: not for use with steel shot.Product Highlights Designed for Remington 12-gauge shotguns with the Rem-Choke system Ported choke engineered for tight, long-range patterns up to 70 yards Optimized for larger shot sizes including T and #4 Buck Works with Hevi-Shot, bismuth, and lead loads; not compatible with steel shot Durable 17-4 stainless-steel construction for longevity Specs Gauge: 12 Gauge Compatibility: Remington Rem-Choke Construction/Material: 17-4 stainless steel Design: Ported, Coyote Shot Compatibility: Hevi-Shot, bismuth, and lead (not for steel shot) Effective Range: Up to 70 yards with larger shot sizes UPC: 723189300449 Manufacturer Part Number: 30044 Brand Name: 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.