Product DescriptionThe Rob Roberts Gun Works Biz choke tube is built for superior performance with bismuth shot in 12-gauge shotguns using the Crio Plus system. Part of the RRaptor Series, this precision-machined choke is crafted from durable 17-4 PH stainless steel to deliver consistent patterns and long-lasting reliability. Its two-tone black and silver finish and knurled design provide a secure grip for quick installation and removal.Product Highlights Designed to optimize bismuth shot performance in 12-gauge shotguns Precision-machined RRaptor Series choke with tight, consistent patterns Constructed from tough 17-4 PH stainless steel for durability Crio Plus configuration for compatible 12-gauge platforms Striking black/silver finish with enhanced grip features Specs Model: Biz Gauge: 12 Gauge Choke Configuration: Crio Plus Material: 17-4 PH stainless steel Finish/Color: Black / Silver Included: One choke tube UPC: 810174901870 Manufacturer Part Number: 200278 Brand Name: 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.