Product DescriptionThe Rob Roberts Gun Works Final Strut Turkey Choke is engineered to deliver tight, consistent patterns for turkey hunting. Designed for shotguns that use the Optima HP choke system, this 20-gauge tube features a .570 constriction optimized for dense shot placement at extended ranges. Built from quality materials and refined through extensive testing, the Final Strut choke helps you get reliable performance when it matters most.Product Highlights .570 constriction tuned for dense, consistent turkey patterns Compatible with Optima HP choke system 20-gauge shotguns Final Strut series design refined through years of development and testing Engineered for dependable performance at extended ranges with appropriate loads Durable construction suitable for demanding field use Specs Product Type: Turkey choke tube Gauge: 20 Gauge Choke System: Optima HP Constriction Diameter: .570 Series/Model: Final Strut UPC: 810174900880 Manufacturer Part Number: 200179 Brand: Rob Roberts Gun Works 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.