Product DescriptionCarlson&';s Bone Collector Turkey Choke Tube is engineered to deliver extremely tight, consistent patterns for dedicated turkey hunters. Built from precision-machined, 17-4 heat-treated stainless steel with a non-reflective matte black finish, this extended and ported choke is optimized for the Beretta/Benelli Mobil 12 gauge system. It has been pattern tested to perform with a wide range of turkey loads including lead, nickel-plated, copper-plated, bismuth, Hevi-Shot, tungsten, and TSS, helping reduce flyers and extend effective range. Always pattern your shotgun with your chosen load for best results.Product Highlights Extended, ported Bone Collector series choke for tight turkey patterns Precision-machined from 17-4 heat-treated stainless steel for durability Matte black, non-reflective finish to minimize glare in the field Pattern-tested with popular turkey loads including lead, bismuth, Hevi-Shot, tungsten, and TSS Compatible with Beretta/Benelli Mobil 12 gauge shotguns Specs Gauge: 12 Gauge Compatibility/Thread: Beretta/Benelli Mobil Constriction Type: Turkey Constriction Diameter: 0.657 in Style: Extended, Ported Material: 17-4 heat-treated stainless steel Finish: Matte Black Series/Model: Bone Collector UPC: 723189801304 Manufacturer Part Number: 80130 Brand: Carlson&';s 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.